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Document and Entity Information - USD ($) $ in Billions	12 Months Ended
Document and Entity Information - USD ($) $ in Billions	Dec. 31, 2015	Feb. 16, 2016	Jun. 30, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP
Entity Central Index Key	0000943452
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2015
Trading Symbol	WAB
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		91,930,671
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 8.8

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 226,191	$ 425,849
Accounts receivable	494,975	443,464
Unbilled accounts receivable	103,814	187,762
Inventories	478,574	510,949
Deposits in Escrow	202,942	0
Deferred income taxes	71,658	43,953
Other assets	34,294	25,887
Total current assets	1,612,448	1,637,864
Property, plant and equipment	717,295	683,034
Accumulated depreciation	(364,102)	(343,923)
Property, plant and equipment, net	353,193	339,111
Other Assets
Goodwill	858,532	862,338
Other intangibles, net	440,534	422,811
Other noncurrent assets	35,628	41,717
Total other assets	1,334,694	1,326,866
Total Assets	3,300,335	3,303,841
Current Liabilities
Accounts payable	319,525	399,845
Customer deposits	106,127	111,797
Accrued compensation	69,892	70,857
Accrued warranty	72,678	68,031
Current portion of long-term debt	433	792
Commitment and contingencies	494	762
Other accrued liabilities	95,627	86,718
Total current liabilities	664,776	738,802
Long-term debt	695,294	520,403
Accrued postretirement and pension benefits	55,765	81,908
Deferred income taxes	139,852	112,915
Commitment and contingencies	943	973
Accrued warranty	19,386	19,818
Other long-term liabilities	22,980	20,724
Total liabilities	1,598,996	1,495,543
Shareholders’ Equity
Preferred stock, 1,000,000 shares authorized, no shares issued	0	0
Common stock, $.01 par value; 200,000,000 shares authorized: 132,349,534 shares issued and 91,836,106 and 96,274,395 outstanding at December 31, 2015 and December 31, 2014, respectively	1,323	1,323
Additional paid-in capital	469,326	448,531
Treasury stock, at cost, 40,513,428 and 36,075,139 shares, at December 31, 2015 and December 31, 2014, respectively	(775,124)	(392,262)
Retained earnings	2,280,801	1,909,136
Accumulated other comprehensive loss	(276,719)	(159,486)
Total Westinghouse Air Brake Technologies Corporation shareholders' equity	1,699,607	1,807,242
Non-controlling interest (minority interest)	1,732	1,056
Total shareholders’ equity	1,701,339	1,808,298
Total Liabilities and Shareholders’ Equity	$ 3,300,335	$ 3,303,841

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	132,349,534	132,349,534
Common stock, shares outstanding (in shares)	91,836,106	96,274,395
Treasury stock, shares (in shares)	40,513,428	36,075,139

CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Net sales	$ 3,307,998	$ 3,044,454	$ 2,566,392
Cost of sales	(2,260,182)	(2,108,472)	(1,802,365)
Gross profit	1,047,816	935,982	764,027
Selling, general and administrative expenses	(347,373)	(324,539)	(262,718)
Engineering expenses	(71,213)	(61,886)	(46,289)
Amortization expense	(21,663)	(22,448)	(17,710)
Total operating expenses	(440,249)	(408,873)	(326,717)
Income from operations	607,567	527,109	437,310
Other income and expenses
Interest expense, net	(16,888)	(17,574)	(15,341)
Other (expense), net	(5,311)	(1,680)	(882)
Income (loss) from operations before income taxes	585,368	507,855	421,087
Income tax expense	(186,740)	(156,175)	(128,852)
Net income attributable to Wabtec shareholders	$ 398,628	$ 351,680	$ 292,235
Basic
Net income attributable to Wabtec shareholders (in dollars per share)	$ 4.14	$ 3.66	$ 3.05
Diluted
Net income attributable to Wabtec shareholders (in dollars per share)	$ 4.10	$ 3.62	$ 3.01
Weighted average shares outstanding
Basic (in shares)	96,074	95,781	95,463
Diluted (in shares)	97,006	96,885	96,832

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income attributable to Wabtec shareholders	$ 398,628	$ 351,680	$ 292,235
Foreign currency translation (loss) gain	(132,899)	(111,776)	5,345
Unrealized (loss) gain on derivative contracts	(1,202)	(338)	810
Unrealized gain (loss) on pension benefit plans and post-retirement benefit plans	26,689	(18,508)	21,102
Other comprehensive (loss) income before tax	(107,412)	(130,622)	27,257
Income tax benefit (expense) related to components of other comprehensive (loss) income	(9,821)	5,992	(8,549)
Other comprehensive (loss) income, net of tax	(117,233)	(124,630)	18,708
Comprehensive income attributable to Wabtec shareholders	$ 281,395	$ 227,050	$ 310,943

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Activities
Net income attributable to Wabtec shareholders	$ 398,628	$ 351,680	$ 292,235
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	64,734	61,261	51,193
Stock-based compensation expense	26,019	26,134	24,107
Deferred income taxes	4,981	(7,054)	15,248
Loss (gain) on disposal of property, plant and equipment	587	812	(15)
Excess income tax benefits from exercise of stock options	(2,584)	(3,020)	(4,266)
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable and unbilled accounts receivable	21,500	(17,413)	(149,699)
Inventories	20,147	(64,089)	26,060
Accounts payable	(76,650)	55,378	60,976
Accrued income taxes	21,740	23,763	(15,033)
Increase Decrease In Accrued Liabilities And Customer Deposits	(14,837)	68,729	(48,831)
Other assets and liabilities	(16,005)	(23,796)	(16,322)
Net cash provided by operating activities	448,260	472,385	235,653
Investing Activities
Purchase of property, plant and equipment	(49,428)	(47,662)	(41,238)
Proceeds from disposal of property, plant and equipment	1,784	421	6,000
Acquisitions of business, net of cash acquired	(129,550)	(300,437)	(223,454)
Deposit in escrow	(202,942)	0	0
Net cash used for investing activities	(380,136)	(347,678)	(258,692)
Financing Activities
Proceeds from debt	787,400	563,400	959,067
Payments of debt	(612,680)	(493,819)	(829,842)
Stock re-purchase	(387,787)	(26,757)	(32,998)
Proceeds from exercise of stock options and other benefit plans	3,097	3,337	5,165
Excess income tax benefits from exercise of stock options	2,584	3,020	4,266
Payment of income tax withholding on share-based compensation	(14,565)	0	0
Earn-out settlement	0	(4,429)	0
Cash dividends ($0.28, $0.20, and $0.13 per share for the years ended December 31, 2015, 2014 and 2013	(26,963)	(19,246)	(12,644)
Net cash (used for) provided by financing activities	(248,914)	25,506	93,014
Effect of changes in currency exchange rates	(18,868)	(10,124)	19
(Decrease) increase in cash	(199,658)	140,089	69,994
Cash, beginning of year	425,849	285,760	215,766
Cash, end of year	$ 226,191	$ 425,849	$ 285,760

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Cash Flows [Abstract]
Cash dividends, per share (in dollars per share)	$ 0.28	$ 0.20	$ 0.13

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in	Treasury Stock	Retained	Accumulated Other Comprehensive Income (Loss)
Beginning Balance (in shares) at Dec. 31, 2012		132,349,534		36,518,656
Beginning Balance at Dec. 31, 2012	$ 1,276,830	$ 1,323	$ 381,348	$ (349,388)	$ 1,297,111	$ (53,564)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends ($0.13 in 2013, $ 0.20 in 2014 and $0.28 in 2015)	(12,644)				(12,644)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax	(21,232)		(11,815)	$ (9,417)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax, shares (in shares)				586,175
Stock based compensation	21,896		21,896
Net income	292,235				292,235
Translation adjustment	5,345					5,345
Unrealized gain (loss) on interest rate swap contracts, net of tax	(195)					(195)
Change in pension and post-retirement benefit plans, net of tax	644					644
Stock repurchase, shares (in shares)				(507,105)
Stock repurchase, value	(32,998)			$ (32,998)
Ending Balance at Dec. 31, 2013	1,585,259	$ 1,323	415,059	$ (372,969)	1,576,702	(34,856)
Ending Balance (in shares) at Dec. 31, 2013		132,349,534		36,439,586
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends ($0.13 in 2013, $ 0.20 in 2014 and $0.28 in 2015)	(19,246)				(19,246)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax	(17,461)		(9,997)	$ (7,464)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax, shares (in shares)				711,247
Stock based compensation	23,475		23,475
Net income	351,680				351,680
Translation adjustment	(111,776)					(111,776)
Unrealized gain (loss) on foreign exchange contracts, net of tax ($ 61 in 2013, and $31 in 2014)	(23)					(23)
Unrealized gain (loss) on interest rate swap contracts, net of tax	(210)					(210)
Change in pension and post-retirement benefit plans, net of tax	(12,621)					(12,621)
Stock repurchase, shares (in shares)				(346,800)
Stock repurchase, value	(26,757)			$ (26,757)
Ending Balance at Dec. 31, 2014	1,807,242	$ 1,323	448,531	$ (392,262)	1,909,136	(159,486)
Ending Balance (in shares) at Dec. 31, 2014		132,349,534		36,075,139
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends ($0.13 in 2013, $ 0.20 in 2014 and $0.28 in 2015)	(26,963)				(26,963)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax	(2,007)		(2,918)	$ (4,925)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax, shares (in shares)				450,738
Stock based compensation	23,713		23,713
Net income	398,628
Translation adjustment	(132,899)					(132,899)
Unrealized gain (loss) on foreign exchange contracts, net of tax ($ 61 in 2013, and $31 in 2014)	(66)					(66)
Unrealized gain (loss) on interest rate swap contracts, net of tax	(678)					(678)
Change in pension and post-retirement benefit plans, net of tax	16,410					16,410
Stock repurchase, shares (in shares)				(4,889,027)
Stock repurchase, value	(387,787)			$ (387,787)
Ending Balance at Dec. 31, 2015	$ 1,699,607	$ 1,323	$ 469,326	$ (775,124)	$ 2,280,801	$ (276,719)
Ending Balance (in shares) at Dec. 31, 2015		132,349,534		40,513,428

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Stockholders' Equity [Abstract]
Cash dividends, per share (in dollars per share)	$ 0.28	$ 0.20	$ 0.13
Unrealized gain (loss) on foreign exchange contracts, tax	$ 14	$ 31	$ 61
Unrealized gain (loss) on interest rate swap contracts, tax	444	136	422
Change in pension and post retirement benefit plans, tax	$ 10,279	$ 5,887	$ 8,188

BUSINESS	12 Months Ended
BUSINESS	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
BUSINESS	BUSINESS Wabtec is one of the world’s largest providers of value-added, technology-based products and services for the global rail industry. Our products are found on virtually all U.S. locomotives, freight cars and passenger transit vehicles, as well as in more than 100 countries throughout the world. Our products enhance safety, improve productivity and reduce maintenance costs for customers, and many of our core products and services are essential in the safe and efficient operation of freight rail and passenger transit vehicles. Wabtec is a global company with operations in 20 countries. In 2015, about 47% of the Company’s revenues came from customers outside the U.S.

PROPOSED TRANSACTION WITH FAIVELEY TRANSPORT S.A.

12 Months Ended

Dec. 31, 2015

Business Combinations [Abstract]

PROPOSED TRANSACTION WITH FAIVELEY TRANSPORT S.A.

On July 27, 2015, the Company announced plans to acquire Faiveley Transport S.A. ("Faiveley Transport"), a leading

global provider of value-added, integrated systems and services for the railway industry with annual sales of about $1.2 billion

and more than 5,700 employees in 24 countries. Faiveley Transport supplies railway manufacturers, operators and maintenance

providers with a range of valued-added, technology-based systems and services in Energy & Comfort (air conditioning, power

collectors and converters, and passenger information), Access & Mobility (passenger access systems and platform doors), and

Brakes & Safety (braking systems and couplers).

The transaction has been structured in three steps:

•

Wabtec made an irrevocable offer to the owners of approximately 51% of Faiveley Transport’s shares for a purchase price of €100 per share, payable 25% in cash and 75% in Wabtec preferred stock. The preferred stock will have a 1% annual dividend or, if greater, the annual dividend assuming full conversion into common shares, and must be converted after three years into Wabtec common shares at an implied ratio of one Faiveley Transport common share for 1.125 Wabtec common shares. Shareholders owning 51% of Faiveley Transport have entered into exclusive discussions with Wabtec.


•	Upon completion of required labor group consultations, on October 6, 2015, the 51% shareholders entered into a definitive share purchase agreement and Faiveley Transport entered into an acquisition agreement with Wabtec.

•

Upon completing the share purchase, Wabtec will commence a tender offer for the remaining publicly traded Faiveley Transport shares. The public shareholders will have the option to elect to receive €100 per share in cash or Wabtec preferred stock. The preferred stock portion of the consideration is subject to a cap of 75% of Faiveley Transport’s common shares. Wabtec intends to delist Faiveley Transport from Euronext after the tender offer if minority interests represent less than 5%.

The total purchase price offered is about $1.8 billion, including assumed debt. Wabtec plans to fund the cash portion of the transaction with cash on hand, existing credit facilities and potentially other credit and debt financing. Prior to December 31, 2015, Wabtec set aside €186.9 million as an escrow deposit for the Faiveley Transport purchase. The combination of Wabtec and Faiveley Transport would create one of the world’s largest public rail equipment companies, with revenues of about $4.5 billion and a presence in all key freight rail and passenger transit geographies worldwide.

Closing of the transaction is subject to various conditions, including completion of regulatory requirements. These steps are currently on-going and the timing of completion is unknown.

ACQUISITIONS

The Company made the following acquisitions operating as a business unit or component of a business unit in the Freight Segment:


•	On October 30, 2015, the Company acquired Relay Monitoring Systems PTY Ltd. (“RMS”), an Australian based manufacturer of electrical protection and control products for a purchase price of approximately $18.7 million, net of cash acquired, resulting in preliminary goodwill of $7.6 million, none of which will be deductible for tax purposes.


•	On October 8, 2015, the Company acquired Track IQ, an Australian based manufacturer of wayside censor systems for the global rail industry for a purchase price of approximately $9.1 million, net of cash acquired, resulting in preliminary goodwill of $6.4 million, all of which will be deductible for tax purposes.


•	On February 4, 2015, the Company acquired Railroad Controls L.P. (“RCL”), a U.S. based provider of railway signal construction services for a purchase price of approximately $78.0 million, net of cash acquired, resulting in preliminary goodwill of $14.9 million, all of which will be deductible for tax purposes.


•	On September 3, 2014, the Company acquired C2CE Pty Ltd. (“C2CE”), a leading provider of railway signal design services in Australia, for a purchase price of approximately $25.5 million, net of cash acquired, resulting in additional goodwill of $15.9 million, none of which will be deductible for tax purposes.

For the RMS, Track IQ, and RCL acquisitions, the following table summarizes the preliminary estimated fair values of the assets acquired and liabilities assumed at the date of the acquisitions. For the C2CE acquisition, the following table summarizes the final fair value of assets acquired and liabilities assumed at the date of acquisition.



	RMS			Track IQ			RCL			C2CE
	October 30,			October 8,			February 4,			September 3,
In thousands	2015			2015			2015			2014
Current assets	$	3,605		$	660		$	16,421		$	9,812
Property, plant & equipment	1,378			187			11,983			1,853
Goodwill	7,584			6,440			14,940			15,896
Other intangible assets	10,426			3,246			40,403			3,654
Total assets acquired	22,993			10,533			83,747			31,215
Total liabilities assumed	(4,283		)	(1,430		)	(5,736		)	(5,736		)
Net assets acquired	$	18,710		$	9,103		$	78,011		$	25,479

The Company made the following acquisitions operating as a business unit or component of a business unit in the Transit Segment:


•	On June 17, 2015 , the Company acquired Metalocaucho ("MTC"), a manufacturer of transit products, primarily rubber components for suspension and vibration control systems, for a purchase price of approximately $23.4 million, net of cash acquired, resulting in preliminary goodwill of $12.1 million, none of which will be deductible for tax purposes.


•	On August 21, 2014, the Company acquired Dia-Frag, a leading manufacturer of friction products in Brazil, for a purchase price of approximately $70.6 million, net of cash acquired, resulting in additional goodwill of $35.9 million, none of which will be deductible for tax purposes.

•

On June 6, 2014, the Company acquired Fandstan Electric Group Ltd. (“Fandstan”), a leading rail and industrial equipment manufacturer for a variety of markets, including rail and tram transportation, industrial and energy, for a purchase price of approximately $199.4 million, net of cash acquired, resulting in additional goodwill of $62.5 million, none of which will be deductible for tax purposes.

For the MTC acquisition, the following table summarizes the preliminary estimated fair values of the assets acquired and liabilities assumed at the date of acquisition. For the Dia-Frag and Fandstan acquisitions, the following table summarizes the final fair values of the assets acquired and liabilities assumed at the date of the acquisitions.



	MTC			Dia-Frag			Fandstan
	June 17,			August 19,			June 6,
In thousands	2015			2014			2014
Current assets	$	10,906		$	12,158		$	124,280
Property, plant & equipment	1,510			13,749			67,948
Goodwill	12,141			35,850			62,476
Other intangible assets	7,649			26,150			50,598
Other assets	114			66			216
Total assets acquired	32,320			87,973			305,518
Total liabilities assumed	(8,960		)	(17,332		)	(106,114		)
Net assets acquired	$	23,360		$	70,641		$	199,404

The 2015 acquisitions listed above include escrow deposits of $36.7 million, which may be released to the Company for indemnity and other claims in accordance with the purchase and escrow agreements.

The total goodwill and other intangible assets for acquisitions listed in the tables above was $297.4 million, of which $155.3 million and $142.1 million was related to goodwill and other intangible assets, respectively. Of the allocation of $142.1 million of acquired intangible assets, $106.0 million was assigned to customer relationships, $27.4 million was assigned to trade names, $2.4 million was assigned to non-compete agreements and $6.3 million was assigned to customer backlog. The trade names are considered to have an indefinite useful life while the customer relationships’ useful life is 20 years and the non-compete agreements' useful life is five years.

The following unaudited pro forma financial information presents income statement results as if the acquisitions listed above had occurred January 1, 2014:



	For the year ended December 31,
In thousands	2015		2014
Net sales	$	3,340,294	$	3,309,365
Gross profit	1,061,080		1,022,391
Net income attributable to Wabtec shareholders	400,692		380,076
Diluted earnings per share
As Reported	$	4.10	$	3.62
Pro forma	$	4.13	$	3.91

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

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-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1383-128463

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6996-128479

+ Details

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	12 Months Ended
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	Dec. 31, 2015
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Principles of Consolidation The consolidated financial statements include the accounts of the Company and its majority owned subsidiaries. Such statements have been prepared in accordance with U.S. generally accepted accounting principles. Sales between subsidiaries are billed at prices consistent with sales to third parties and are eliminated in consolidation. Capital Structure On May 14, 2013, our stockholders approved an amendment to our Amended and Restated Certificate of Incorporation to increase the number of authorized shares of our common stock to 200.0 million shares. In addition, on May 14, 2013, our Board of Directors approved a two-for-one split of the Company’s issued and outstanding common stock in the form of a 100% stock dividend. The increase in the authorized shares and the stock split became effective on May 14, 2013 and June 11, 2013, respectively. The Company issued approximately 66.2 million shares of its common stock as a result of the two-for-one stock split. The par value of the Company’s common stock remained unchanged at $0.01 per share. Information regarding shares of common stock (except par value per share), retained earnings, and net income per common share attributable to Wabtec shareholders for all periods presented reflects the two-for-one split of the Company’s common stock. The number of shares of the Company’s common stock issuable upon exercise of outstanding stock options and vesting of other stock-based awards was proportionally increased, and the exercise price per share thereof was proportionally decreased, in accordance with the terms of the stock incentive plans. Cash Equivalents Cash equivalents are highly liquid investments purchased with an original maturity of three months or less. Allowance for Doubtful Accounts The allowance for doubtful accounts receivable reflects our best estimate of probable losses inherent in our receivable portfolio determined on the basis of historical experience, specific allowances for known troubled accounts and other currently available evidence. The allowance for doubtful accounts was $5.6 million and $6.3 million as of December 31, 2015 and 2014, respectively. Inventories Inventories are stated at the lower of cost or market. Cost is determined under the first-in, first-out (FIFO) method. Inventory costs include material, labor and overhead. Property, Plant and Equipment Property, plant and equipment additions are stated at cost. Expenditures for renewals and improvements are capitalized. Expenditures for ordinary maintenance and repairs are expensed as incurred. The Company provides for book depreciation principally on the straight-line method. Accelerated depreciation methods are utilized for income tax purposes. Leasing Arrangements The Company conducts a portion of its operations from leased facilities and finances certain equipment purchases through lease agreements. In those cases in which the lease term approximates the useful life of the leased asset or the lease meets certain other prerequisites, the leasing arrangement is classified as a capital lease. The remaining arrangements are treated as operating leases. Intangible Assets Goodwill and other intangible assets with indefinite lives are not amortized. Other intangibles (with definite lives) are amortized on a straight-line basis over their estimated economic lives. Amortizable intangible assets are reviewed for impairment when indicators of impairment are present. The Company tests goodwill and indefinite-lived intangible assets for impairment at least annually. The Company performs its annual impairment test during the fourth quarter after the annual forecasting process is completed, and also tests for impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Periodically, Management of the Company assesses whether or not an indicator of impairment is present that would necessitate an impairment analysis be performed. For 2015, the Company opted to perform a qualitative goodwill assessment and determined that step two was not necessary. In assessing the qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, we assess relevant events and circumstances that may impact the fair value and the carrying amount of the reporting unit. The identification of relevant events and circumstances and how these may impact a reporting unit’s fair value or carrying amount involve significant judgments and assumptions. The judgment and assumptions include the identification of macroeconomic conditions, industry and market considerations, cost factors, overall financial performance, Wabtec specific events and share price trends and making the assessment on whether each relevant factor will impact the impairment test positively or negatively and the magnitude of any such impact. If our qualitative assessment concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying value, the Company then performs a two-step impairment test. In the first step of the quantitative assessment, our assets and liabilities, including existing goodwill and other intangible assets, are assigned to the identified reporting units to determine the carrying value of the reporting units. The Company reviews goodwill for impairment at the reporting unit level. The Company prepares its goodwill impairment analysis by comparing the estimated fair value of each reporting unit, using an income approach (a discounted cash flow model) as well as a market approach, with its carrying value. The income approach and the market approach are equally weighted in arriving at fair value, which the Company has applied consistently. The discounted cash flow model requires several assumptions including future sales growth, EBIT (earnings before interest and taxes) margins and capital expenditures for the reporting units. The discounted cash flow model also requires the use of a discount rate and a terminal revenue growth rate (the revenue growth rate for the period beyond the three years forecasted by the reporting units), as well as projections of future operating margins. The market approach requires several assumptions including EBITDA (earnings before interest, taxes, depreciation and amortization) multiples for comparable companies that operate in the same markets as the Company’s reporting units. Warranty Costs Warranty costs are accrued based on Management’s estimates of repair or upgrade costs per unit and historical experience. Warranty expense was $35.4 million, $34.1 million and $22.9 million for 2015, 2014 and 2013, respectively. Accrued warranty was $92.1 million and $87.8 million at December 31, 2015 and 2014, respectively. Income Taxes Income taxes are accounted for under the liability method. Deferred tax assets and liabilities are determined based on differences between financial reporting and tax basis of assets and liabilities and are measured using the enacted tax rates and laws. The provision for income taxes includes federal, state and foreign income taxes. Stock-Based Compensation The Company recognizes compensation expense for stock-based compensation based on the grant date fair value amortized ratably over the requisite service period following the date of grant. Financial Derivatives and Hedging Activities The Company has entered into foreign currency forward contracts to reduce the impact of changes in currency exchange rates. Foreign currency forward contracts are agreements with a counterparty to exchange two distinct currencies at a set exchange rate for delivery on a set date at some point in the future. There is no exchange of funds until the delivery date. At the delivery date the Company can either take delivery of the currency or settle on a net basis. At December 31, 2015, the Company had no material foreign currency forward contracts. To reduce the impact of interest rate changes on a portion of it's variable-rate debt, the Company has entered into two forward starting interest rate swap agreement with a notional value of $150 million. As of December 31, 2015, the Company has recorded a current liability of $4.5 million and a corresponding offset in accumulated other comprehensive loss of $2.7 million, net of tax, related to these agreements. For further information regarding the forward starting interest rate swap agreements, see Footnote 9. Foreign Currency Translation Assets and liabilities of foreign subsidiaries, except for the Company’s Mexican operations whose functional currency is the U.S. Dollar, are translated at the rate of exchange in effect on the balance sheet date while income and expenses are translated at the average rates of exchange prevailing during the period. Foreign currency gains and losses resulting from transactions, and the translation of financial statements are recorded in the Company’s consolidated financial statements based upon the provisions of Accounting Standards Codification (“ASC”) 830, “Foreign Currency Matters.” The effects of currency exchange rate changes on intercompany transactions and balances of a long-term investment nature are accumulated and carried as a component of accumulated other comprehensive loss. The effects of currency exchange rate changes on intercompany transactions that are denominated in a currency other than an entity’s functional currency are charged or credited to earnings. Foreign exchange transaction losses recognized in other (expense) income, net were $4.7 million, $2.4 million and $3.5 million for 2015, 2014 and 2013, respectively. Noncontrolling Interests In accordance with ASC 810, the Company has classified noncontrolling interests as equity on our condensed consolidated balance sheets as of December 31, 2015 and 2014. Net income attributable to noncontrolling interests for the years ended December 31, 2015, 2014 and 2013 was not material. Other Comprehensive Income (Loss) Comprehensive income (loss) is defined as net income and all other non-owner changes in shareholders’ equity. The Company’s accumulated other comprehensive income consists of foreign currency translation adjustments, foreign currency hedges, foreign exchange contracts, interest rate swaps, and pension and post retirement related adjustments. Revenue Recognition Revenue is recognized in accordance with ASC 605 “Revenue Recognition,” The Company recognized revenue when the following criteria are met: 1) persuasive evidence of an arrangement exists; 2) delivery has occurred; 3) an established sales price has been set with the customer; 4) collection of the sale revenue from the customer is reasonably assured; and 5) no contingencies exist. Delivery is considered to have occurred when the customer assumes the risk and rewards of ownership. The Company estimates and records provisions for quantity rebates and sales returns and allowances as an offset to revenue in the same period the related revenue is recognized, based upon its experience. These items are included as a reduction in deriving net sales. In general, the Company recognizes revenues on long-term contracts based on the percentage of completion method of accounting. The units-of-delivery method or other input-based or output-based measures, as appropriate, are used to measure the progress toward completion of individual contracts. Contract revenues and cost estimates are reviewed and revised quarterly at a minimum and adjustments are reflected in the accounting period as such amounts are determined. Provisions are made currently for estimated losses on uncompleted contracts. Unbilled accounts receivables were $103.8 million and $187.8 million, customer deposits were $106.1 million and $111.8 million, and provisions for loss contracts were $11.8 million and $7.1 million at December 31, 2015 and 2014, respectively. Certain pre-production costs relating to long-term production and supply contracts have been deferred and will be recognized over the life of the contracts. Deferred pre-production costs were $30.3 million and $24.9 million at December 31, 2015 and 2014, respectively. Significant Customers and Concentrations of Credit Risk The Company’s trade receivables are from rail and transit industry original equipment manufacturers, Class I railroads, railroad carriers and commercial companies that utilize rail cars in their operations, such as utility and chemical companies. No one customer accounted for more than 10% of the Company’s consolidated net sales in 2015, 2014 or 2013. Shipping and Handling Fees and Costs All fees billed to the customer for shipping and handling are classified as a component of net revenues. All costs associated with shipping and handling is classified as a component of cost of sales. Research and Development Research and development costs are charged to expense as incurred. For the years ended December 31, 2015, 2014 and 2013, the Company incurred costs of approximately $71.2 million, $61.9 million, and $46.3 million, respectively. Employees As of December 31, 2015, approximately 30% of the Company’s workforce was covered by collective bargaining agreements. These agreements are generally effective from 2015 through 2017. Agreements expiring in 2015 cover approximately 26% of the Company’s workforce. Earnings Per Share Basic and diluted earnings per common share is computed in accordance with ASC 260 “Earnings Per Share.” Unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are participating securities and included in the computation of earnings per share pursuant to the two-class method included in ASC 260-10-55. (See Note 12 “Earnings Per Share” included herein) Use of Estimates The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period. Actual amounts could differ from the estimates. On an ongoing basis, Management reviews its estimates based on currently available information. Changes in facts and circumstances may result in revised estimates. Recent Accounting Pronouncements In April 2015, the FASB issued Accounting Standards Update No. 2015-3, “Simplifying the Presentation of Debt Issuance Costs” (“ASU 2015-3”) which changes the presentation of debt issuance costs in financial statements to present such costs as a direct deduction from the related debt liability rather than as an asset. ASU 2015-3 will become effective for public companies during interim and annual reporting periods beginning after December 15, 2015. Early adoption is permitted. The adoption of this standard is not expected to have a material impact to the financial statements. The Company will make the required changes in the first quarter of 2016. In May 2014, the FASB issued ASU no. 2014-9, “Revenue from Contract with Customers.” The ASU will supersede most of the existing revenue recognition requirements in U.S. GAAP and will require entities to recognize revenue at an amount that reflects the consideration to which the Company expects to be entitled in exchange for transferring goods or services to a customer. The new standard also requires significantly expanded disclosures regarding the qualitative and quantitative information of an entity’s nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The Board voted to propose that the standard would take effect for reporting periods beginning after December 15, 2017 and that early adoption would be allowed as of the original effective date. The Company is currently evaluating the impact the pronouncement will have on the consolidated financial statements and related disclosures. In November 2015, the FASB issued ASU No. 2015-17, “Balance Sheet Classification of Deferred Taxes” as part of their simplification initiatives. The update requires that deferred tax liabilities and assets be classified as noncurrent in a classified statement of financial position. The update is effective for financial periods beginning after December 15, 2017; however, early application is permitted. The adoption of this standard is not expected to have a material impact to the financial statements.

ACQUISITIONS

12 Months Ended

Dec. 31, 2015

Business Combinations [Abstract]

ACQUISITIONS

PROPOSED TRANSACTION WITH FAIVELEY TRANSPORT S.A.

On July 27, 2015, the Company announced plans to acquire Faiveley Transport S.A. ("Faiveley Transport"), a leading

global provider of value-added, integrated systems and services for the railway industry with annual sales of about $1.2 billion

and more than 5,700 employees in 24 countries. Faiveley Transport supplies railway manufacturers, operators and maintenance

providers with a range of valued-added, technology-based systems and services in Energy & Comfort (air conditioning, power

collectors and converters, and passenger information), Access & Mobility (passenger access systems and platform doors), and

Brakes & Safety (braking systems and couplers).

The transaction has been structured in three steps:

•


•	Upon completion of required labor group consultations, on October 6, 2015, the 51% shareholders entered into a definitive share purchase agreement and Faiveley Transport entered into an acquisition agreement with Wabtec.

•

Closing of the transaction is subject to various conditions, including completion of regulatory requirements. These steps are currently on-going and the timing of completion is unknown.

ACQUISITIONS

The Company made the following acquisitions operating as a business unit or component of a business unit in the Freight Segment:


•	On October 30, 2015, the Company acquired Relay Monitoring Systems PTY Ltd. (“RMS”), an Australian based manufacturer of electrical protection and control products for a purchase price of approximately $18.7 million, net of cash acquired, resulting in preliminary goodwill of $7.6 million, none of which will be deductible for tax purposes.


•	On October 8, 2015, the Company acquired Track IQ, an Australian based manufacturer of wayside censor systems for the global rail industry for a purchase price of approximately $9.1 million, net of cash acquired, resulting in preliminary goodwill of $6.4 million, all of which will be deductible for tax purposes.


•	On February 4, 2015, the Company acquired Railroad Controls L.P. (“RCL”), a U.S. based provider of railway signal construction services for a purchase price of approximately $78.0 million, net of cash acquired, resulting in preliminary goodwill of $14.9 million, all of which will be deductible for tax purposes.


•	On September 3, 2014, the Company acquired C2CE Pty Ltd. (“C2CE”), a leading provider of railway signal design services in Australia, for a purchase price of approximately $25.5 million, net of cash acquired, resulting in additional goodwill of $15.9 million, none of which will be deductible for tax purposes.



	RMS			Track IQ			RCL			C2CE
	October 30,			October 8,			February 4,			September 3,
In thousands	2015			2015			2015			2014
Current assets	$	3,605		$	660		$	16,421		$	9,812
Property, plant & equipment	1,378			187			11,983			1,853
Goodwill	7,584			6,440			14,940			15,896
Other intangible assets	10,426			3,246			40,403			3,654
Total assets acquired	22,993			10,533			83,747			31,215
Total liabilities assumed	(4,283		)	(1,430		)	(5,736		)	(5,736		)
Net assets acquired	$	18,710		$	9,103		$	78,011		$	25,479

The Company made the following acquisitions operating as a business unit or component of a business unit in the Transit Segment:


•	On June 17, 2015 , the Company acquired Metalocaucho ("MTC"), a manufacturer of transit products, primarily rubber components for suspension and vibration control systems, for a purchase price of approximately $23.4 million, net of cash acquired, resulting in preliminary goodwill of $12.1 million, none of which will be deductible for tax purposes.


•	On August 21, 2014, the Company acquired Dia-Frag, a leading manufacturer of friction products in Brazil, for a purchase price of approximately $70.6 million, net of cash acquired, resulting in additional goodwill of $35.9 million, none of which will be deductible for tax purposes.

•



	MTC			Dia-Frag			Fandstan
	June 17,			August 19,			June 6,
In thousands	2015			2014			2014
Current assets	$	10,906		$	12,158		$	124,280
Property, plant & equipment	1,510			13,749			67,948
Goodwill	12,141			35,850			62,476
Other intangible assets	7,649			26,150			50,598
Other assets	114			66			216
Total assets acquired	32,320			87,973			305,518
Total liabilities assumed	(8,960		)	(17,332		)	(106,114		)
Net assets acquired	$	23,360		$	70,641		$	199,404

The 2015 acquisitions listed above include escrow deposits of $36.7 million, which may be released to the Company for indemnity and other claims in accordance with the purchase and escrow agreements.

The following unaudited pro forma financial information presents income statement results as if the acquisitions listed above had occurred January 1, 2014:



	For the year ended December 31,
In thousands	2015		2014
Net sales	$	3,340,294	$	3,309,365
Gross profit	1,061,080		1,022,391
Net income attributable to Wabtec shareholders	400,692		380,076
Diluted earnings per share
As Reported	$	4.10	$	3.62
Pro forma	$	4.13	$	3.91

- Definition

+ References

+ Details

SUPPLEMENTAL CASH FLOW DISCLOSURES

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

SUPPLEMENTAL CASH FLOW DISCLOSURES



	Year Ended December 31,
	2015		2014		2013
In thousands
Interest paid during the year	$	19,372	$	18,445	$	15,601
Income taxes paid during the year, net of amount refunded	$	147,958	$	125,212	$	137,945
Business acquisitions:
Fair value of assets acquired	155,274		454,596		267,306
Liabilities assumed	20,409		124,005		44,846
Cash paid	134,865		330,591		222,460
Less cash acquired	5,681		30,154		671
Net cash paid	$	129,184	$	300,437	$	221,789

On November 9, 2015, the Board of Directors amended its stock repurchase authorization to $350 million of the Company’s outstanding shares. Through December 31, 2015, purchases have totaled $316.7 million leaving $33.3 million under the authorization.

On February 9, 2016 the Board of Directors amended its stock repurchase authorization to $350 million of the Company's outstanding shares. This new stock repurchase authorization supersedes the previous authorization of $350 million of which $33.3 million remained.

The Company intends to purchase shares on the open market or in negotiated or block trades. No time limit was set for the completion of the programs which conform to the requirements under the 2013 Refinancing Credit Agreement, as well as the Notes currently outstanding.

During the first and second quarters of 2015, no shares were repurchased. During the third quarter of 2015, the Company repurchased 237,027 shares at an average price of $94.23 per share. During the fourth quarter of 2015, 4,652,000 shares were repurchased at an average price of $78.56 per share. All purchases were on the open market.

During the first quarter of 2014, the Company repurchased 27,500 shares at an average price of $78.22 per share. During the second quarters of 2014, the Company repurchased 194,700 shares at an average price of $74.33 per share. During the third quarter of 2014, the Company repurchased 124,600 shares at an average price of $81.33 per share. During the fourth quarter of 2014, no shares were repurchased. All purchases were on the open market.

INVENTORIES

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

INVENTORIES

The components of inventory, net of reserves, were:



	December 31,
In thousands	2015		2014
Raw materials	$	180,128	$	222,059
Work-in-progress	171,217		154,094
Finished goods	127,229		134,796
Total inventories	$	478,574	$	510,949

PROPERTY, PLANT & EQUIPMENT

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT & EQUIPMENT

The major classes of depreciable assets are as follows:



	December 31,
In thousands	2015			2014
Machinery and equipment	$	502,086		$	476,467
Buildings and improvements	170,668			180,227
Land and improvements	41,671			23,440
Locomotive leased fleet	2,870			2,900
PP&E	717,295			683,034
Less: accumulated depreciation	(364,102		)	(343,923		)
Total	$	353,193		$	339,111

The estimated useful lives of property, plant and equipment are as follows:



	Years
Land improvements	10 to 20
Building and improvements	20 to 40
Machinery and equipment	3 to 15

Depreciation expense was $43.1 million, $38.8 million, and $33.5 million for 2015, 2014 and 2013, respectively.

INTANGIBLES

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLES

Goodwill and other intangible assets with indefinite lives are not amortized. Other intangibles with definite lives are amortized on a straight-line basis over their estimated economic lives. Goodwill and indefinite lived intangible assets are reviewed annually during the fourth quarter for impairment (See Note 3 “Summary of Significant Accounting Policies” included herein). Goodwill and indefinite live intangible assets were not impaired at December 31, 2015 and 2014.

The change in the carrying amount of goodwill by segment for the year ended December 31, 2015 is as follows:



	Freight			Transit
In thousands	Segment			Segment			Total
Balance at December 31, 2014	$	515,067		$	347,271		$	862,338
Adjustment to preliminary purchase allocation	(1,210		)	(4,056		)	(5,266		)
Acquisitions	28,964			12,140			41,104
Foreign currency impact	(10,856		)	(28,788		)	(39,644		)
Balance at December 31, 2015	$	531,965		$	326,567		$	858,532

As of December 31, 2015 and 2014, the Company’s trademarks had a net carrying amount of $167.4 million and $170.1 million, respectively, and the Company believes these intangibles have indefinite lives. Intangible assets of the Company, other than goodwill and trademarks, consist of the following:



	December 31,
In thousands	2015		2014
Patents, non-compete and other intangibles, net of accumulated
amortization of $40,936 and $39,780	$	11,403	$	14,722
Customer relationships, net of accumulated amortization
of $70,493 and $56,684	261,751		237,983
Total	$	273,154	$	252,705

The remaining weighted average useful lives of patents, customer relationships and intellectual property were 10 years, 16 years and 14 years respectively. Amortization expense for intangible assets was $21.7 million, $22.4 million, and $17.7 million for the years ended December 31, 2015, 2014, and 2013, respectively.

Estimated amortization expense for the five succeeding years is as follows (in thousands):



2016	$	20,775
2017	18,889
2018	18,146
2019	17,478
2020	17,018

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

LONG-TERM DEBT

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

LONG-TERM DEBT

Long-term debt consisted of the following:



	December 31,
In thousands	2015		2014
4.375% Senior Notes, due 2023	$	250,000	$	250,000
Revolving Credit Facility	445,000		270,000
Capital Leases	727		1,195
Total	695,727		521,195
Less - current portion	433		792
Long-term portion	$	695,294	$	520,403

2013 Refinancing Credit Agreement

On December 19, 2013, the Company amended its existing revolving credit facility with a consortium of commercial banks. This “2013 Refinancing Credit Agreement” provides the company with a $800.0 million, five- year revolving credit facility. The Company incurred approximately $1.0 million of deferred financing cost related to the 2013 Refinancing Credit Agreement. The facility expires on December 19, 2018. The 2013 Refinancing Credit Agreement borrowings bear variable interest rates indexed as described below. At December 31, 2015, the Company had available bank borrowing capacity, net of $21.9 million of letters of credit, of approximately $333.1 million, subject to certain financial covenant restrictions.

Under the 2013 Refinancing Credit Agreement, the Company may elect a Base Rate of interest for U.S. Dollar denominated loans or, for certain currencies, an interest rate based on the London Interbank Offered Rate (“LIBOR”) of interest, or other rates appropriate for such currencies (in any case, “the Alternate Rate”). The Base Rate adjusts on a daily basis and is the greater of the Federal Funds Effective Rate plus 0.5% per annum, the PNC, N.A. prime rate or the Daily LIBOR Rate plus 100 basis points, plus a margin that ranges from 0 basis points to 75 basis points . The Alternate Rate is based on the quoted rates specific to the applicable currency, plus a margin that ranges from 75 basis points to 175 basis points. Both the Base Rate and Alternate Rate margins are dependent on the Company’s consolidated total indebtedness to cash flow ratios. The initial Base Rate margin is 0 basis points and the Alternate Rate margin is 75 basis points.

At December 31, 2015 the weighted average interest rate on the Company’s variable rate debt was 1.10%. On January 12, 2012, the Company entered into a forward starting interest rate swap agreement with a notional value of $150.0 million. The effective date of the interest rate swap agreement is July 31, 2013, and the termination date is November 7, 2016. The impact of the interest rate swap agreement converts a portion of the Company’s outstanding debt from a variable rate to a fixed-rate borrowing. During the term of the interest rate swap agreement the interest rate on the notional value will be fixed at 1.415% plus the Alternate Rate margin. On June 5, 2014, the Company entered into a forward starting interest rate swap agreement with a notional value of $150.0 million. The effective date of the interest rate swap agreement is November 7, 2016, and the termination date is December 19, 2018. The impact of the interest rate swap agreement converts a portion of the Company’s outstanding debt from a variable rate to a fixed-rate borrowing. During the term of the interest rate swap agreement the interest rate on the notional value will be fixed at 2.56% plus the Alternate Rate margin. As for these agreements, the Company is exposed to credit risk in the event of nonperformance by the counterparties. However, since only the cash interest payments are exchanged, exposure is significantly less than the notional amount. The counterparties are large financial institutions with an excellent credit rating and history of performance. The Company currently believes the risk of nonperformance is negligible.

The 2013 Refinancing Credit Agreement limits the Company’s ability to declare or pay cash dividends and prohibits the Company from declaring or making other distributions, subject to certain exceptions. The 2013 Refinancing Credit Agreement contains various other covenants and restrictions including the following limitations: incurrence of additional indebtedness; mergers, consolidations, sales of assets and acquisitions; additional liens; sale and leasebacks; permissible investments, loans and advances; certain debt payments; and imposes a minimum interest expense coverage ratio of 3.0 and a maximum debt to cash flow ratio of 3.25. The Company does not expect that these measurements will limit the Company in executing our operating activities.

2011 Refinancing Credit Agreement

On November 7, 2011, the Company refinanced its existing revolving credit and term loan facility with a consortium of commercial banks. This “2011 Refinancing Credit Agreement” provided the company with a $600.0 million, five-year revolving credit facility. The Company incurred approximately $1.9 million of deferred financing cost related to the 2011 Refinancing Credit Agreement. The facility was set to expire on November 7, 2016.

Under the 2011 Refinancing Credit Agreement, the Company may have elected a Base Rate of interest or an interest rate based on the London Interbank Offered Rate (“LIBOR”) of interest (“the Alternate Rate”). The Base Rate adjusted on a daily basis and was the greater of the Federal Funds Effective Rate plus 0.5% per annum, the PNC, N.A. prime rate or the Daily LIBOR Rate plus 100 basis points plus a margin that ranged from 0 basis points to 75 basis points. The Alternate Rate was based on quoted LIBOR rates plus a margin that ranged from 75 basis points to 175 basis points. Both the Base Rate and Alternate Rate margins were dependent on the Company’s consolidated total indebtedness to cash flow ratios. The current Base Rate margin was 0 basis points and the Alternate Rate margin was 100 basis points.

4.375% Senior Notes Due August 2023

In August 31, 2013, the Company issued $250.0 million of Senior Notes due in 2023 (“the 2013 Notes”). Interest on the 2013 Notes accrues at a rate of 4.375% per annum and is payable semi-annually on February 15 and August 15 of each year. The proceeds were used to repay debt outstanding under the Company’s existing credit agreement, and for general corporate purposes. The principal balance is due in full at maturity. The Company incurred $2.6 million of deferred financing costs related to the issuance.

The 2013 Notes are senior unsecured obligations of the Company and rank pari passu with all existing and future senior debt and senior to all existing and future subordinated indebtedness of the Company. The indenture under which the 2013 Notes were issued contains covenants and restrictions which limit among other things, the following: the incurrence of indebtedness, payment of dividends and certain distributions, sale of assets, change in control, mergers and consolidations and the incurrence of liens.

The Company is in compliance with the restrictions and covenants in the indenture under which the 2013 Notes were issued and expects that these restrictions and covenants will not be any type of limiting factor in executing our operating activities.

6.875% Senior Notes Due August 2013

In August 31, 2003, the Company issued $150.0 million of Senior Notes due in 2013 (“the 2003 Notes”). The 2003 Notes were issued at par. Interest on the 2003 Notes accrued at a rate of 6.875% per annum and was payable semi-annually on January 31 and July 31 of each year. The proceeds were used to repay debt outstanding under the Company’s existing credit agreement and for general corporate purposes. The Company paid off the 2003 Notes, which matured on July 31, 2013 utilizing available capacity under the 2011 Refinancing Credit Agreement.

Debt and Capital Leases



Scheduled principal repayments of debt and capital lease balances as of December 31, 2015 are as follows:

2016	$	464
2017	128
2018	445,068
2019	29
2020	11
Future years	250,027
Total	$	695,727

EMPLOYEE BENEFIT PLANS

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

EMPLOYEE BENEFIT PLANS

Defined Benefit Pension Plans

The Company sponsors defined benefit pension plans that cover certain U.S., Canadian, German, and United Kingdom employees and which provide benefits of stated amounts for each year of service of the employee. The Company uses a December 31 measurement date for the plans.

The following tables provide information regarding the Company’s defined benefit pension plans summarized by U.S. and international components.

Obligations and Funded Status



	U.S.						International
In thousands	2015			2014			2015			2014
Change in projected benefit obligation
Obligation at beginning of year	$	(50,154	)	$	(47,090	)	$	(219,225	)	$	(170,931	)
Service cost	(381		)	(334		)	(2,015		)	(2,138		)
Interest cost	(1,914		)	(2,070		)	(7,091		)	(8,102		)
Employee contributions	—			—			(503		)	(385		)
Plan curtailments and amendments	—			—			—			473
Benefits paid	3,628			5,083			8,028			7,616
Acquisition	—			—			—			(39,381		)
Actuarial gain (loss)	2,701			(5,743		)	3,084			(23,335		)
Effect of currency rate changes	—			—			22,411			16,958
Obligation at end of year	$	(46,120	)	$	(50,154	)	$	(195,311	)	$	(219,225	)
Change in plan assets
Fair value of plan assets at beginning of year	$	41,503		$	42,980		$	182,254		$	156,705
Actual return on plan assets	(235		)	3,606			6,572			17,363
Employer contributions	—			—			6,746			6,036
Employee contributions	—			—			503			385
Benefits paid	(3,628		)	(5,083		)	(8,028		)	(7,616		)
Acquisition	—			—			—			23,444
Effect of currency rate changes	—			—			(19,978		)	(14,063		)
Fair value of plan assets at end of year	$	37,640		$	41,503		$	168,069		$	182,254
Funded status
Fair value of plan assets	$	37,640		$	41,503		$	168,069		$	182,254
Benefit obligations	(46,120		)	(50,154		)	(195,311		)	(219,225		)
Funded status	$	(8,480	)	$	(8,651	)	$	(27,242	)	$	(36,971	)
Amounts recognized in the statement of financial position consist of:
Noncurrent assets	$	—		$	—		$	5,554		$	2,424
Current liabilities	—			—			(362		)	(398		)
Noncurrent liabilities	(8,480		)	(8,651		)	(32,434		)	(38,997		)
Net amount recognized	$	(8,480	)	$	(8,651	)	$	(27,242	)	$	(36,971	)
Amounts recognized in accumulated other comprehensive income (loss) consist of:
Initial net obligation	$	—		$	—		$	(275	)	$	(449	)
Prior service cost	(11		)	(13		)	(80		)	(157		)
Net actuarial loss	(23,305		)	(24,665		)	(41,782		)	(49,180		)
Net amount recognized	$	(23,316	)	$	(24,678	)	$	(42,137	)	$	(49,786	)

The aggregate accumulated benefit obligation for the U.S. pension plans was $45.2 million and $49.3 million as of December 31, 2015 and 2014, respectively. The aggregate accumulated benefit obligation for the international pension plans was $190.2 million and $213.4 million as of December 31, 2015 and 2014, respectively.



	U.S.						International
In thousands	2015			2014			2015			2014
Information for pension plans with accumulated benefit obligations in
excess of Plan assets:
Projected benefit obligation	$	(46,120	)	$	(50,154	)	$	(195,311	)	$	(143,121	)
Accumulated benefit obligation	(45,201		)	(49,303		)	(190,188		)	(138,443		)
Fair value of plan assets	37,640			41,503			168,069			104,232
Information for pension plans with projected benefit obligations in
excess of plan assets:
Projected benefit obligation	$	(46,120	)	$	(50,154	)	$	(135,168	)	$	(151,920	)
Fair value of plan assets	37,640			41,503			102,372			112,526

Components of Net Periodic Benefit Costs



	U.S.									International
In thousands	2015			2014			2013			2015			2014			2013
Service cost	$	380		$	334		$	432		$	2,015		$	2,138		$	2,035
Interest cost	1,914			2,070			1,960			7,091			8,102			6,661
Expected return on plan assets	(2,168		)	(2,476		)	(2,977		)	(9,591		)	(9,646		)	(8,418		)
Amortization of initial net obligation and prior service cost	3			23			62			212			248			270
Amortization of net loss	1,062			2,197			3,180			2,379			2,768			3,107
Settlement and curtailment losses recognized	—			—			—			—			(390		)	3,655
Net periodic benefit cost	$	1,191		$	2,148		$	2,657		$	2,106		$	3,220		$	7,310

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income during 2015 are as follows:



In thousands	U.S.			International
Net gain (loss) arising during the year	$	297		$	65
Effect of exchange rates	—			4,954
Amortization or curtailment recognition of prior service cost	3			—
Amortization or settlement recognition of net loss	1,062			2,379
Total recognized in other comprehensive income (loss)	$	1,362		$	7,398
Total recognized in net periodic benefit cost and other comprehensive (loss) income	$	(2,553	)	$	(9,504	)

The weighted average assumptions in the following table represent the rates used to develop the actuarial present value of the projected benefit obligation for the year listed.



	U.S.						International
	2015		2014		2013		2015		2014		2013
Discount rate	4.21	%	3.95	%	4.70	%	3.56	%	3.48	%	4.43	%
Expected return on plan assets	5.70	%	5.70	%	6.20	%	5.81	%	5.79	%	6.07	%
Rate of compensation increase	3.00	%	3.00	%	3.00	%	3.10	%	3.10	%	3.59	%

The discount rate is based on settling the pension obligation with high grade, high yield corporate bonds, and the rate of compensation increase is based on actual experience. The expected return on plan assets is based on historical performance as well as expected future rates of return on plan assets considering the current investment portfolio mix and the long-term investment strategy.

As of December 31, 2015 the following table represents the amounts included in other comprehensive loss that are expected to be recognized as components of periodic benefit costs in 2016.



In thousands	U.S.		International
Net transition obligation	$	—	$	150
Prior service cost	3		26
Net actuarial loss	914		2,287
	$	917	$	2,463

Pension Plan Assets

The Company has established formal investment policies for the assets associated with our pension plans. Objectives include maximizing long-term return at acceptable risk levels and diversifying among asset classes. Asset allocation targets are based on periodic asset liability study results which help determine the appropriate investment strategies. The investment policies permit variances from the targets within certain parameters. The plan assets consist primarily of equity security funds, debt security funds, and temporary cash and cash equivalent investments. The assets held in these funds are generally actively managed and are valued at the net asset value per share multiplied by the number of shares held as of the measurement date. Generally, all plan assets are considered Level 2 based on the fair value valuation hierarchy (See Note 18 “Fair Value Measurement” included herein). Plan assets by asset category at December 31, 2015 and 2014 are as follows:



	U.S.				International
In thousands	2015		2014		2015		2014
Pension Plan Assets
Equity security funds	$	20,275	$	20,696	$	87,321	$	99,715
Debt security funds and other	16,441		20,034		77,173		78,510
Cash and cash equivalents	924		773		3,575		4,029
Fair value of plan assets	$	37,640	$	41,503	$	168,069	$	182,254

The U.S., Canadian and German pension plans have a target asset allocation of 50% equity securities and 50% debt securities. The United Kingdom plan has a target asset allocation of 62.5% equity securities and 37.5% debt securities. Investment policies are determined by the respective Plan’s Pension Committee and set forth in its Investment Policy. Rebalancing of the asset allocation occurs on a quarterly basis.

Cash Flows

The Company’s funding methods are based on governmental requirements and differ from those methods used to recognize pension expense. The Company expects to contribute $6.2 million to the international plans and does not expect to make a contribution to the U.S. plans during 2016.

Benefit payments expected to be paid to plan participants are as follows:



In thousands	U.S.		International
Year ended December 31,
2016	$	3,399	$	6,939
2017	3,519		7,261
2018	3,388		7,487
2019	3,394		7,733
2020	3,372		7,854
2021 through 2025	15,820		42,040

Post Retirement Benefit Plans

In addition to providing pension benefits, the Company has provided certain unfunded postretirement health care and life insurance benefits for a portion of North American employees. The Company is not obligated to pay health care and life insurance benefits to individuals who had retired prior to 1990.

The Company uses a December 31 measurement date for all post retirement plans. The following tables provide information regarding the Company’s post retirement benefit plans summarized by U.S. and international components.

Obligations and Funded Status



	U.S.						International
In thousands	2015			2014			2015			2014
Change in projected benefit obligation
Obligation at beginning of year	$	(31,872	)	$	(25,860	)	$	(3,905	)	$	(3,871	)
Service cost	(9		)	(29		)	(38		)	(47		)
Interest cost	(1,233		)	(1,155		)	(128		)	(173		)
Plan amendments	16,140			—			—			—
Benefits paid	1,478			978			125			66
Actuarial gain (loss)	2,537			(5,806		)	37			(238		)
Effect of currency rate changes	—			—			619			358
Obligation at end of year	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
Change in plan assets
Fair value of plan assets at beginning of year	$	—		$	—		$	—		$	—
Employer contributions	1,478			978			125			162
Benefits paid	(1,478		)	(978		)	(125		)	(162		)
Fair value of plan assets at end of year	$	—		$	—		$	—		$	—
Funded status
Fair value of plan assets	$	—		$	—		$	—		$	—
Benefit obligations	(12,959		)	(31,872		)	(3,290		)	(3,905		)
Funded status	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
	U.S.						International
In thousands	2015			2014			2015			2014
Amounts recognized in the statement of financial position consist of:
Current liabilities	$	(1,197	)	$	(1,305	)	$	(181	)	$	(212	)
Noncurrent liabilities	(11,762		)	(30,567		)	(3,109		)	(3,693		)
Net amount recognized	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
Amounts recognized in accumulated other comprehensive income (loss)
consist of:
Initial net obligation	$	—		$	—		$	—		$	—
Prior service credit	22,837			8,993			21			32
Net actuarial (loss) gain	(22,202		)	(26,096		)	351			422
Net amount recognized	$	635		$	(17,103	)	$	372		$	454

During 2015, the Company amended its medical plan that amongst other things, provided the participants with HRA funding contributions. The change resulted in a $16.1 million decrease to the accumulated project benefit obligation.

Components of Net Periodic Benefit Cost



	U.S.									International
In thousands	2015			2014			2013			2015			2014			2013
Service cost	$	9		$	29		$	47		$	38		$	47		$	48
Interest cost	1,233			1,155			1,113			129			173			172
Amortization of initial net obligation and prior service cost	(2,295		)	(2,730		)	(2,689		)	(7		)	(8		)	(211		)
Amortization of net loss (gain)	1,356			1,330			1,634			(30		)	(141		)	(93		)
Net periodic benefit cost (credit)	$	303		$	(216	)	$	105		$	130		$	71		$	(84	)

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income during 2015 are as follows:



In thousands	U.S.			International
Prior service credit	$	16,140		$	—
Net loss arising during the year	2,537			37
Effect of exchange rates	—			(72		)
Amortization or curtailment recognition of prior service cost	(2,295		)	(7		)
Amortization or settlement recognition of net loss (gain)	1,356			(30		)
Total recognized in other comprehensive income (loss)	$	17,738		$	(72	)
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$	17,435		$	(202	)

The weighted average assumptions in the following table represent the rates used to develop the actuarial present value of the projected benefit obligation for the year listed and also the net periodic benefit cost for the following year. The discount rate is based on settling the pension obligation with high grade, high yield corporate bonds.



	U.S.						International
	2015		2014		2013		2015		2014		2013
Discount rate	3.95	%	3.95	%	4.70	%	3.80	%	3.96	%	4.60	%

As of December 31, 2015 the following table represents the amounts included in other comprehensive loss that are expected to be recognized as components of periodic benefit costs in 2016.



In thousands	U.S.			International
Prior service cost	(2,294		)	(7		)
Net actuarial loss (gain)	1,355			(30		)
	$	(939	)	$	(37	)

The assumed health care cost trend rate for the U.S. plans grades from an initial rate of 6.60% to an ultimate rate of 4.50% by 2027 and for international plans from 6.62% to 4.50% by 2027. A 1.0% increase in the assumed health care cost trend rate will increase the service and interest cost components of the expense recognized for the U.S. and international post-retirement plans by approximately $189,000 and $14,000, respectively, for 2015, and increase the accumulated post-retirement benefit obligation by approximately $46,000 and $228,000, respectively. A 1.0% decrease in the assumed health care cost trend rate will decrease the service and interest cost components of the expense recognized for the U.S. and international post-retirement plans by approximately $158,000 and $13,000, respectively, for 2015, and decrease the accumulated post-retirement benefit obligation by approximately $42,000 and $206,000, respectively.

Cash Flows

Benefit payments expected to be paid to plan participants are as follows:



In thousands	U.S.		International
Year ended December 31,
2016	$	1,197	$	181
2017	1,104		180
2018	1,078		188
2019	1,049		200
2020	1,023		204
2021 through 2025	4,609		1,209

Defined Contribution Plans

The Company also participates in certain defined contribution plans and multiemployer pension plans. Costs recognized under these plans are summarized as follows:



	For the year ended December 31,
In thousands	2015		2014		2013
Multi-employer pension and health & welfare plans	$	2,584	$	2,405	$	2,678
401(k) savings and other defined contribution plans	21,399		19,925		17,291
Total	$	23,983	$	22,330	$	19,969

The 401(k) savings plan is a participant directed defined contribution plan that holds shares of the Company’s stock as one of the investment options. At December 31, 2015 and 2014, the plan held on behalf of its participants about 632,523 shares with a market value of $45.0 million, and 670,322 shares with a market value of $58.2 million, respectively.

Additionally, the Company has stock option based benefit and other plans further described in Note 13.

The Company contributes to several multi-employer defined benefit pension plans under collective bargaining agreements that cover certain of its union-represented employees. The risks of participating in such plans are different from the risks of single-employer plans. Assets contributed to a multi-employer plan by one employer may be used to provide benefits to employees of other participating employers. If a participating employer ceases to contribute to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers. If the Company ceases to have an obligation to contribute to the multi-employer plan in which it had been a contributing employer, it may be required to pay to the plan an amount based on the underfunded status of the plan and on the history of the Company’s participation in the plan prior to the cessation of its obligation to contribute. The amount that an employer that has ceased to have an obligation to contribute to a multi-employer plan is required to pay to the plan is referred to as a withdrawal liability.

The Company’s participation in multi-employer plans for the year ended December 31, 2015 is outlined in the table below. For plans that are not individually significant to the Company, the total amount of contributions is presented in the aggregate.



			Pension Protection Act Zone Status (b)		FIP/	Contributions by the Company													Expiration Dates of
					RP Status Pending/													Surcharge Imposed	Collective Bargaining
Pension Fund	EIN/PN (a)		2013	2012	Implemented (c)	2015				2014				2013				(d)	Agreements
Idaho Operating Engineers-	EIN #	91-6075538	Green	Green	No	$	1,820	(1	)	$	1,745	(1	)	$	2,154	(1	)	No	6/30/2018
Employers Pension Trust Fund	Plan#	001
Automobile Mechanics' Local No 701 Union and	EIN #	36-6042061	Red	Red	Yes (2)	$	764			$	660			$	524			Yes (3)	12/11/2017
Industry Pension Plan	Plan #	001
					Total Contributions	$	2,584			$	2,405			$	2,678


(1)	The Company’s contribution represents more than 5% of the total contributions to the plan.


(2)	The Pension Fund’s board adopted a Funding Improvement Plan on October 21, 2015, continuing the existing plan which increased the weekly pension fund contribution rates by $75 with corresponding decreases to the weekly welfare fund contribution rates until December 31, 2017.


(3)	Critical status triggered a 5% surcharge on employer contributions effective June 2012. Effective January 1, 2013, this surcharge increases to 10%. The surcharge ended on October 21, 2015 when the rehabilitation plan commenced.


(a)	The “EIN / PN” column provides the Employer Identification Number and the three-digit plan number assigned to a plan by the Internal Revenue Service.

(b)

The most recent Pension Protection Act Zone Status available for 2013 and 2012 is for plan years that ended in 2013 and 2012, respectively. The zone status is based on information provided to the Company and other participating employers by each plan and is certified by the plan’s actuary. A plan in the “red” zone has been determined to be in “critical status”, based on criteria established under the Internal Revenue Code (“Code”), and is generally less than 65% funded. A plan in the “yellow” zone has been determined to be in “endangered status”, based on criteria established under the Code, and is generally less than 80% funded. A plan in the “green” zone has been determined to be neither in “critical status” nor in “endangered status”, and is generally at least 80% funded.


(c)	The “FIP/RP Status Pending/Implemented” column indicates whether a Funding Improvement Plan, as required under the Code to be adopted by plans in the “yellow” zone, or a Rehabilitation Plan, as required under the Code to be adopted by plans in the “red” zone, is pending or has been implemented as of the end of the plan year that ended in 2015.


(d)	The “Surcharge Imposed” column indicates whether the Company’s contribution rate for 2015 included an amount in addition the contribution rate specified in the applicable collective bargaining agreement, as imposed by a plan in “critical status”, in accordance with the requirements of the Code.

INCOME TAXES

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

INCOME TAXES

The Company is responsible for filing consolidated U.S., foreign and combined, unitary or separate state income tax returns. The Company is responsible for paying the taxes relating to such returns, including any subsequent adjustments resulting from the redetermination of such tax liabilities by the applicable taxing authorities.

The components of the income from operations before provision for income taxes for the Company’s domestic and foreign operations for the years ended December 31 are provided below:



	For the year ended December 31,
In thousands	2015		2014		2013
Domestic	$	461,394	$	343,180	$	285,395
Foreign	123,974		164,675		135,692
Income from operations before income taxes	$	585,368	$	507,855	$	421,087

Undistributed earnings of the Company’s foreign subsidiaries amounted to approximately $1,004.0 million at December 31, 2015. Those earnings are considered to be indefinitely reinvested; accordingly, no provision for U.S. federal and state income taxes has been provided thereon. Upon repatriation of those earnings, in the form of dividends or otherwise, the Company would be subject to both U.S. income taxes (subject to an adjustment for foreign tax credits) and withholding taxes payable to the various foreign countries. Determination of the amount of unrecognized deferred U.S. income tax liability is not practicable due to the complexities associated with its hypothetical calculation.

The consolidated provision for income taxes included in the Statement of Income consisted of the following:



	For the year ended December 31,
In thousands	2015			2014			2013
Current taxes
Federal	$	141,245		$	108,782		$	70,459
State	16,072			17,091			13,173
Foreign	24,442			37,356			29,972
	181,759			163,229			113,604
Deferred taxes
Federal	9,606			2,287			11,146
State	770			1,404			1,375
Foreign	(5,395		)	(10,745		)	2,727
	4,981			(7,054		)	15,248
Total provision	$	186,740		$	156,175		$	128,852

A reconciliation of the United States federal statutory income tax rate to the effective income tax rate on operations for the years ended December 31 is provided below:



	For the year ended December 31,
In thousands	2015		2014		2013
U.S. federal statutory rate	35.0	%	35.0	%	35.0	%
State taxes	2.0	%	2.2	%	2.2	%
Tax reserves	(0.4	)%	0.3	%	—	%
Foreign	(2.1	)%	(4.2	)%	(3.9	)%
Research and development credit	(0.4	)%	(0.5	)%	(0.6	)%
Manufacturing deduction	(2.3	)%	(1.8	)%	(1.7	)%
Other, net	0.1	%	(0.2	)%	(0.4	)%
Effective rate	31.9	%	30.8	%	30.6	%

Deferred income taxes result from temporary differences in the recognition of income and expense for financial and income tax reporting purposes. These deferred income taxes will be recognized as future tax benefits or costs when the temporary differences reverse.

Components of deferred tax assets and liabilities were as follows:



	December 31,
In thousands	2015			2014
Deferred income tax assets:
Accrued expenses and reserves	$	39,426		$	34,167
Warranty reserve	24,544			21,123
Deferred compensation/employee benefits	24,950			21,759
Pension and postretirement obligations	15,507			26,736
Inventory	18,664			13,570
Net operating loss carry forwards	25,636			5,036
Tax credit carry forwards	959			1,078
Gross deferred income tax assets	149,686			123,469
Valuation allowance	12,623			1,818
Total deferred income tax assets	137,063			121,651
Deferred income tax liabilities:
Property, plant & equipment	34,518			29,998
Intangibles	167,108			157,781
Other	2,243			144
Total deferred income tax liabilities	203,869			187,923
Net deferred income tax liability	$	(66,806	)	$	(66,272	)

A valuation allowance is provided when it is more likely than not that some portion or all of the deferred tax assets will not be realized. As of December 31, 2015, the valuation allowance for certain foreign carryforwards was $12.6 million primarily in Brazil and South Africa.

State tax credit carry-forwards of approximately $1.0 million expire in various periods from December 31, 2016 to December 31, 2030. Net operating loss carry-forwards in the amount of $25.6 million expire in various periods from December 31, 2016 to December 31, 2035.

As of December 31, 2015, the liability for income taxes associated with unrecognized tax benefits was $10.6 million, of which $4.3 million, if recognized, would favorably affect the Company’s effective income tax rate. As of December 31, 2014, the liability for income taxes associated with unrecognized tax benefits was $12.6 million, of which $5.5 million, if recognized, would favorably affect the Company’s effective tax rate. A reconciliation of the beginning and ending amount of the liability for income taxes associated with unrecognized tax benefits follows:



In thousands	2015			2014			2013
Gross liability for unrecognized tax benefits at beginning of year	$	12,596		$	10,531		$	11,267
Gross increases - unrecognized tax benefits in prior periods	—			30			55
Gross increases - current period unrecognized tax benefits	1,682			2,756			3,279
Gross decreases - unrecognized tax benefits in prior periods	—			(463		)	—
Gross decreases - audit settlement during year	(3,027		)	(77		)	(2,515		)
Gross decreases - expiration of audit statute of limitations	(694		)	(181		)	(1,555		)
Gross liability for unrecognized tax benefits at end of year	$	10,557		$	12,596		$	10,531

The Company includes interest and penalties related to unrecognized tax benefits in income tax expense. As of December 31, 2015, the total interest and penalties accrued was approximately $2.0 million and $0.2 million, respectively. As of December 31, 2014, the total interest and penalties accrued was approximately $1.9 million and $1.3 million, respectively.

With limited exception, the Company is no longer subject to examination by various U.S. and foreign taxing authorities for years before 2012. At this time, the Company believes that it is reasonably possible that unrecognized tax benefits of approximately $2.1 million may change within the next 12 months due to the expiration of statutory review periods and current examinations.

EARNINGS PER SHARE

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

EARNINGS PER SHARE

The computation of earnings per share from operations is as follows:



	For the Year Ended December 31,
In thousands, except per share data	2015			2014			2013
Numerator
Numerator for basic and diluted earnings per common share - net income attributable
to Wabtec shareholders	$	398,628		$	351,680		$	292,235
Less: dividends declared - common shares and non-vested restricted stock	(26,963		)	(19,246		)	(12,644		)
Undistributed earnings	371,665			332,434			279,591
Percentage allocated to common shareholders (1)	99.7		%	99.6		%	99.5		%
	370,550			331,104			278,193
Add: dividends declared - common shares	26,875			19,167			12,583
Numerator for basic and diluted earnings per common share	$	397,425		$	350,271		$	290,776
Denominator
Denominator for basic earnings per common share - weighted average shares	96,074			95,781			95,463
Effect of dilutive securities:
Assumed conversion of dilutive stock-based compensation plans	932			1,104			1,369
Denominator for diluted earnings per common share - adjusted weighted average
shares and assumed conversion	97,006			96,885			96,832
Net income per common share attributable to Wabtec shareholders
Basic	$	4.14		$	3.66		$	3.05
Diluted	$	4.10		$	3.62		$	3.01



(1) Basic weighted-average common shares outstanding	96,074		95,781		95,463
Basic weighted-average common shares outstanding and non-vested restricted
stock expected to vest	96,388		96,175		95,932
Percentage allocated to common shareholders	99.7	%	99.6	%	99.5	%

Options to purchase approximately 13,000, 17,000, and 12,000 shares of Common Stock were outstanding in 2015, 2014 and 2013, respectively, but were not included in the computation of diluted earnings per share because the options’ exercise price exceeded the average market price of the common shares.

STOCK-BASED COMPENSATION PLANS

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

STOCK-BASED COMPENSATION PLANS

As of December 31, 2015, the Company maintains employee stock-based compensation plans for stock options, restricted stock, and incentive stock units as governed by the 2011 Stock Incentive Compensation Plan (the “2011 Plan”) and the 2000 Stock Incentive Plan, as amended (the “2000 Plan”). The 2011 Plan has a 10 year term through March 27, 2021 and as of December 31, 2015 the number of shares available for future grants under the 2011 Plan was 2,703,673 shares, which includes remaining shares to grant under the 2000 Plan. The 2011 Plan was approved by stockholders of Wabtec on May 11, 2011. The Company also maintains a 1995 Non-Employee Directors’ Fee and Stock Option Plan (“ the Directors Plan”). The Directors Plan, as amended, authorizes a total of 1,000,000 shares of Common Stock to be issued. Under the Directors Plan options issued become exercisable over a three-year vesting period and expire ten years from the date of grant and restricted stock issued under the plan vests one year from the date of grant. As compensation for directors’ fees for the years ended December 31, 2015, 2014 and 2013, the Company issued a total of 11,256, 12,704 and 17,875 shares of restricted stock to non-employee directors. The total number of shares issued under the plan as of December 31, 2015 was 847,720 shares. No units may be made under the Directors Plan subsequent to October 31, 2016.

Stock-based compensation expense for all of the plans was $26.0 million, $26.1 million and $24.1 million for the years ended December 31, 2015, 2014 and 2013, respectively. The Company recognized associated tax benefits related to the stock-based compensation plans of $15.3 million, $7.6 million and $7.9 million for the respective periods. Included in the stock-based compensation expense for 2015 above is $2.2 million of expense related to stock options, $6.2 million related to non-vested restricted stock, $2.5 million related to restricted stock units, $13.5 million related to incentive stock units and $1.1 million related to units issued for Directors’ fees. At December 31, 2015, unamortized compensation expense related to those stock options, non-vested restricted shares and incentive stock units expected to vest totaled $23.8 million and will be recognized over a weighted average period of 1.1 years.

Stock Options Stock options are granted to eligible employees and directors at the fair market value, which is the average of the high and low Wabtec stock price on the date of grant. Under the 2011 Plan and the 2000 Plan, options become exercisable over a four years vesting period and expire 10 years from the date of grant.

The following table summarizes the Company’s stock option activity and related information for the 2011 Plan, the 2000 Plan and Directors Plan for the years ended December 31:



	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic value (in thousands)
Outstanding at December 31, 2012	1,465,678		$	20.24	6.3	$	34,487
Granted	116,392		48.29			3,024
Exercised	(344,806	)	14.98			(20,444		)
Canceled	(4,402	)	26.61			(210		)
Outstanding at December 31, 2013	1,232,862		$	24.36	6.1	$	61,530
Granted	81,552		73.20			1,116
Exercised	(163,786	)	20.37			(10,895		)
Canceled	(3,070	)	52.73			(105		)
Outstanding at December 31, 2014	1,147,558		$	28.33	5.5	$	67,205
Granted	84,675		87.35			1,375
Exercised	(124,156	)	26.70			(5,516		)
Canceled	(10,754	)	65.22			(64		)
Outstanding at December 31, 2015	1,097,323		$	32.70	4.8	$	42,154
Exercisable at December 31, 2015	863,157		$	23.71	4.0	$	40,920

Options outstanding at December 31, 2015 were as follows:



	Number of Options	Weighted Average Exercise Price of Options		Weighted Average Remaining Contractual	Number of Options Currently	Weighted Average Exercise Price of Options Currently
Range of exercise prices	Outstanding	Outstanding		Life	Exercisable	Exercisable
Under $15.00	206,500	$	14.50	3.1	206,500	$	14.50
15.00 - 23.00	345,048	18.20		2.9	345,048	18.20
23.00 - 30.00	165,617	28.74		4.8	165,617	28.74
30.00 - 38.00	119,805	35.27		6.1	81,956	35.22
Over 38.00	260,353	67.72		8.0	64,036	55.43
	1,097,323	$	32.70		863,157	$	23.71

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions:



	For the year ended December 31,
	2015			2014			2013
Dividend yield	0.14		%	0.11		%	0.21		%
Risk-free interest rate	1.8		%	2.2		%	1.4		%
Stock price volatility	27.3		%	33.0		%	43.8		%
Expected life (years)	5.0			5.0			5.0
Weighted average fair value of options granted during the year	$	24.41		$	22.82		$	17.60

The dividend yield is based on the Company’s dividend rate and the current market price of the underlying common stock at the date of grant. Expected life in years is determined from historical stock option exercise data. Expected volatility is based on the historical volatility of the Company’s stock. The risk-free interest rate is based on the 7 years U.S. Treasury bond rates for the expected life of the option.

Restricted Stock and Incentive Stock Beginning in 2006 the Company adopted a restricted stock program. As provided for under the 2011 and 2000 Plans, eligible employees are granted restricted stock that generally vests over four years from the date of grant. Under the Directors Plan, restricted stock units vest one year from the date of grant.

In addition, the Company has issued incentive stock units to eligible employees that vest upon attainment of certain cumulative three-year performance goals. Based on the Company’s performance for each three year period then ended, the incentive stock units can vest and be awarded ranging from 0% to 200% of the initial incentive stock units granted. The incentive stock units included in the table below represent the number of shares that are expected to vest based on the Company’s estimate for meeting those established performance targets. As of December 31, 2015, the Company estimates that it will achieve 123%, 134% and 101% for the incentive stock units expected to vest based on performance for the three year periods ending December 31, 2015, 2016, and 2017, respectively, and has recorded incentive compensation expense accordingly. If our estimate of the number of these stock units expected to vest changes in a future accounting period, cumulative compensation expense could increase or decrease and will be recognized in the current period for the elapsed portion of the vesting period and would change future expense for the remaining vesting period.

Compensation expense for the non-vested restricted stock and incentive stock units is based on the closing price of the Company’s common stock on the date of grant and recognized over the applicable vesting period.

The following table summarizes the restricted stock activity and related information for the 2011 Plan, the 2000 Plan, and Directors Plan, and incentive stock units activity and related information for the 2011 Plan and the 2000 Plan with related information for the years ended December 31:



	Restricted Stock and Units		Incentive Stock Awards		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2012	546,774		1,329,078		$	26.69
Granted	173,887		200,090		48.62
Vested	(204,494	)	(570,918	)	20.86
Adjustment for incentive stock awards expected to vest	—		91,694		33.49
Canceled	(6,038	)	(6,350	)	26.98
Outstanding at December 31, 2013	510,129		1,043,594		$	35.27
Granted	150,886		140,240		73.68
Vested	(218,502	)	(458,536	)	29.83
Adjustment for incentive stock awards expected to vest	—		74,680		47.56
Canceled	(3,970	)	(8,370	)	48.50
Outstanding at December 31, 2014	438,543		791,608		$	47.97
Granted	113,945		126,050		87.90
Vested	(182,776	)	(433,932	)	37.76
Adjustment for incentive stock awards expected to vest	—		65,666		57.57
Canceled	(12,827	)	(7,754	)	67.05
Outstanding at December 31, 2015	356,885		541,638		$	65.89

OTHER COMPREHENSIVE LOSS

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

OTHER COMPREHENSIVE LOSS

The components of accumulated other comprehensive loss were:



	December 31,
In thousands	2015			2014
Foreign currency translation gain	$	(227,349	)	$	(94,450	)
Unrealized loss on interest rate swap contracts, net of tax of $1,815 and $1,357	(2,987		)	(2,243		)
Pension and post-retirement benefit plans, net of tax of $(18,042) and $(28,321)	(46,383		)	(62,793		)
Total accumulated other comprehensive loss	$	(276,719	)	$	(159,486	)

The changes in accumulated other comprehensive loss by component, net of tax, for the year-ended December 31, 2015 are as follows:



	Foreign currency			Derivative			Pension and post retirement
In thousands	translation			contracts			benefits plans			Total
Balance at December 31, 2014	$	(94,450	)	$	(2,243	)	$	(62,793	)	$	(159,486	)
Other comprehensive income before reclassifications	(132,899		)	(1,972		)	14,586			(120,285		)
Amounts reclassified from accumulated other
comprehensive income	—			1,228			1,824			3,052
Net current period other comprehensive income	(132,899		)	(744		)	16,410			(117,233		)
Balance at December 31, 2015	$	(227,349	)	$	(2,987	)	$	(46,383	)	$	(276,719	)

Reclassifications out of accumulated other comprehensive loss for the year-ended December 31, 2015 are as follows:



	Amount reclassified from accumulated other			Affected line item in the Condensed Consolidated
In thousands	comprehensive income			Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(2,087	)	Cost of sales
Amortization of net loss (gain)	4,766			Cost of sales
	2,679			Income from Operations
	(855		)	Income tax expense
	$	1,824		Net income
Derivative contracts
Realized loss on derivative contracts	1,803			Interest expense, net
	(575		)	Income tax expense
	$	1,228		Net income

- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669619-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e640-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 220
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-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e709-108580

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e681-108580

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reclassification Adjustments
-URI http://asc.fasb.org/extlink&oid=6522872

+ Details

OPERATING LEASES

12 Months Ended

Dec. 31, 2015

Leases [Abstract]

OPERATING LEASES

The Company leases office and manufacturing facilities under operating leases with terms ranging from one to 15 years, excluding renewal options.

Total net rental expense charged to operations in 2015, 2014, and 2013 was $20.2 million, $20.0 million and $18.2 million, respectively. The amounts above are shown net of sublease rentals of $0.7 million, $0.1 million and $0.3 million for the years 2015, 2014 and 2013, respectively.

Future minimum rental payments under operating leases with remaining non-cancelable terms in excess of one year are as follows:



	Real
In thousands	Estate		Equipment		Total
2016	$	16,298	$	1,808	$	18,106
2017	12,828		1,391		14,219
2018	10,382		1,107		11,489
2019	9,171		701		9,872
2020	8,522		590		9,112
2021 and after	34,848		170		35,018

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

+ References + Details

WARRANTIES

12 Months Ended

Dec. 31, 2015

Product Warranties Disclosures [Abstract]

WARRANTIES

The following table reconciles the changes in the Company’s product warranty reserve as follows:



	For the year ended December 31,
In thousands	2015			2014
Balance at beginning of period	$	87,849		$	60,593
Warranty expense	35,418			34,110
Acquisitions	787			14,375
Warranty claim payments	(29,441		)	(19,570		)
Foreign currency impact/other	(2,549		)	(1,659		)
Balance at end of period	$	92,064		$	87,849

PREFERRED STOCK	12 Months Ended
PREFERRED STOCK	Dec. 31, 2015
Disclosure Preferred Stock Additional Information [Abstract]
PREFERRED STOCK	PREFERRED STOCK The Company’s authorized capital stock includes 1,000,000 shares of preferred stock. The Board of Directors has the authority to issue the preferred stock and to fix the designations, powers, preferences and rights of the shares of each such class or series, including dividend rates, conversion rights, voting rights, terms of redemption and liquidation preferences, without any further vote or action by the Company’s shareholders. The rights and preferences of the preferred stock would be superior to those of the common stock. At December 31, 2015 and 2014 there was no preferred stock issued or outstanding.

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS

ASC 820 “Fair Value Measurements and Disclosures” defines fair value, establishes a framework for measuring fair value and explains the related disclosure requirements. ASC 820 indicates, among other things, that a fair value measurement assumes that the transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability and defines fair value based upon an exit price model.

Valuation Hierarchy. ASC 820 establishes a valuation hierarchy for disclosure of the inputs to valuation used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. Level 3 inputs are unobservable inputs based on the Company’s assumptions used to measure assets and liabilities at fair value. A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The following table provides the liabilities carried at fair value measured on a recurring basis as of December 31, 2015, which are included in other current liabilities on the Consolidated Balance sheet:



			Fair Value Measurements at December 31, 2015 Using
	Total Carrying Value at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
In thousands	2015		(Level 1)		(Level 2)		(Level 3)
Interest rate swap agreements	4,474		—		4,474		—
Total	$	4,474	$	—	$	4,474	$	—

The following table provides the liabilities carried at fair value measured on a recurring basis as of December 31, 2014, which are included in other current liabilities on the Consolidated Balance sheet:



			Fair Value Measurements at December 31, 2014 Using
	Total Carrying Value at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
In thousands	2014		(Level 1)		(Level 2)		(Level 3)
Interest rate swap agreements	3,351		—		3,351		—
Total	$	3,351	$	—	$	3,351	$	—

To reduce the impact of interest rate changes on a portion of its variable-rate debt, the Company entered into interest rate swaps which effectively converted a portion of the debt from variable to fixed-rate borrowings during the term of the swap contracts. For certain derivative contracts whose fair values are based upon trades in liquid markets, such as interest rate swaps, valuation model inputs can generally be verified and valuation techniques do not involve significant management judgment. The fair values of such financial instruments are generally classified within Level 2 of the fair value hierarchy.

As a result of our global operating activities the Company is exposed to market risks from changes in foreign currency exchange rates, which may adversely affect our operating results and financial position. When deemed appropriate, the Company minimizes these risks through entering into foreign currency forward contracts. The foreign currency forward contracts are valued using broker quotations, or market transactions in either the listed or over-the counter markets. As such, these derivative instruments are classified within level 2.

The Company’s cash and cash equivalents are highly liquid investments purchased with an original maturity of three months or less and are considered Level 1 on the fair value valuation hierarchy. The fair value of cash and cash equivalents approximated the carrying value at December 31, 2015 and December 31, 2014. The Company’s defined benefit pension plan assets consist primarily of equity security funds, debt security funds and temporary cash and cash equivalent investments. Generally, all plan assets are considered Level 2 based on the fair value valuation hierarchy. These investments are comprised of a number of investment funds that invest in a diverse portfolio of assets including equity securities, corporate and governmental bonds, and money markets. Trusts are valued at the net asset value (“NAV”) as determined by their custodian. NAV represent the accumulation of the unadjusted quoted close prices on the reporting date for the underlying investments divided by the total shares outstanding at the reporting dates. The 2013 Notes are considered Level 2 based on the fair value valuation hierarchy.

The estimated fair values and related carrying values of the Company’s financial instruments are as follows:



	December 31, 2015				December 31, 2014
	Carry		Fair		Carry		Fair
In thousands	Value		Value		Value		Value
Interest rate swap agreements	$	4,474	$	4,474	$	3,351	$	3,351
4.375% Senior Notes	250,000		254,075		250,000		260,000

The fair value of the Company’s interest rate swap agreements and the 2013 Notes were based on dealer quotes and represent the estimated amount the Company would pay to the counterparty to terminate the agreement.

COMMITMENTS AND CONTINGENCIES	12 Months Ended
COMMITMENTS AND CONTINGENCIES	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES The Company is subject to a variety of environmental laws and regulations governing discharges to air and water, the handling, storage and disposal of hazardous or solid waste materials and the remediation of contamination associated with releases of hazardous substances. The Company believes its operations currently comply in all material respects with all of the various environmental laws and regulations applicable to our business; however, there can be no assurance that environmental requirements will not change in the future or that we will not incur significant costs to comply with such requirements. Under terms of the purchase agreement and related documents for the 1990 Acquisition, American Standard, Inc., now known as Trane (“Trane”), has indemnified the Company for certain items including, among other things, certain environmental claims the Company asserted prior to 2000. If Trane was unable to honor or meet these indemnifications, the Company would be responsible for such items. In the opinion of Management, Trane currently has the ability to meet its indemnification obligations. Claims have been filed against the Company and certain of its affiliates in various jurisdictions across the United States by persons alleging bodily injury as a result of exposure to asbestos-containing products. Most of these claims have been made against our wholly owned subsidiary, Railroad Friction Products Corporation (“RFPC”), and are based on a product sold by RFPC prior to the time that the Company acquired any interest in RFPC. Most of these claims, including all of the RFPC claims, are submitted to insurance carriers for defense and indemnity or to non-affiliated companies that retain the liabilities for the asbestos-containing products at issue. We cannot, however, assure that all these claims will be fully covered by insurance or that the indemnitors or insurers will remain financially viable. Our ultimate legal and financial liability with respect to these claims, as is the case with other pending litigation, cannot be estimated. It is Management’s belief that the potential range of loss for asbestos-related bodily injury cases is not reasonably determinable at present due to a variety of factors, including: (1) the asbestos case settlement history of the Company’s wholly owned subsidiary, RFPC; (2) the unpredictable nature of personal injury litigation in general; and (3) the uncertainty of asbestos litigation in particular. Despite this uncertainty, and although the results of the Company’s operations and cash flows for any given period could be adversely affected by asbestos-related lawsuits, Management believes that the final resolution of the Company’s asbestos-related cases will not be material to the Company’s overall financial position, results of operations and cash flows. In general, this belief is based upon: (1) Wabtec’s and RFPC’s history of settlements and dismissals of asbestos-related cases to date; (2) the inability of many plaintiffs to establish any exposure or causal relationship to RFPC’s product; and (3) the inability of many plaintiffs to demonstrate any identifiable injury or compensable loss. More specifically, as to RFPC, Management’s belief that any losses due to asbestos-related cases would not be material is also based on the fact that RFPC owns insurance which provides coverage for asbestos-related bodily injury claims. To date, RFPC’s insurers have provided RFPC with defense and indemnity in these actions. The overall number of new claims being filed against RFPC has dropped significantly in recent years; however, these new claims, and all previously filed claims, may take a significant period of time to resolve. As to Wabtec and its divisions, Management’s belief that asbestos-related cases will not have a material impact is also based on its position that it has no legal liability for asbestos-related bodily injury claims, and that the former owners of Wabtec’s assets retained asbestos liabilities for the products at issue. To date, Wabtec has been able to successfully defend itself on this basis, including two arbitration decisions and a judicial opinion, all of which confirmed Wabtec’s position that it did not assume any asbestos liabilities from the former owners of certain Wabtec assets. Although Wabtec has incurred defense and administrative costs in connection with asbestos bodily injury actions, these costs have not been material, and the Company has no information that would suggest these costs would become material in the foreseeable future. From time to time the Company is involved in litigation relating to claims arising out of its operations in the ordinary course of business. As of the date hereof, the Company is involved in no litigation that the Company believes will have a material adverse effect on its financial condition, results of operations or liquidity.

SEGMENT INFORMATION

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

SEGMENT INFORMATION

Wabtec has two reportable segments—the Freight Segment and the Transit Segment. The key factors used to identify these reportable segments are the organization and alignment of the Company’s internal operations, the nature of the products and services, and customer type. The business segments are:

Freight Segment primarily manufactures and services components for new and existing freight cars and locomotives, builds new switcher locomotives, rebuilds freight locomotives, supplies railway electronics, positive train control equipment, signal design and engineering services, and provides related heat exchange and cooling systems. Customers include large, publicly traded railroads, leasing companies, manufacturers of original equipment such as locomotives and freight cars, and utilities.

Transit Segment primarily manufactures and services components for new and existing passenger transit vehicles, typically subway cars and buses, builds new commuter locomotives and refurbishes subway cars. Customers include public transit authorities and municipalities, leasing companies, and manufacturers of subway cars and buses around the world.

The Company evaluates its business segments’ operating results based on income from operations. Corporate activities include general corporate expenses, elimination of intersegment transactions, interest income and expense and other unallocated charges. Since certain administrative and other operating expenses and other items have not been allocated to business segments, the results in the following tables are not necessarily a measure computed in accordance with generally accepted accounting principles and may not be comparable to other companies.



Segment financial information for 2015 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	2,054,715	$	1,253,283	$	—		$	3,307,998
Intersegment sales/(elimination)	35,372		10,895		(46,267		)	—
Total sales	$	2,090,087	$	1,264,178	$	(46,267	)	$	3,307,998
Income (loss) from operations	$	482,640	$	150,988	$	(26,061	)	$	607,567
Interest expense and other, net	—		—		(22,199		)	(22,199		)
Income (loss) from operations before income taxes	$	482,640	$	150,988	$	(48,260	)	$	585,368
Depreciation and amortization	$	36,834	$	26,196	$	1,704		$	64,734
Capital expenditures	24,715		22,996		1,717			49,428
Segment assets	2,766,798		2,221,027		(1,687,490		)	3,300,335

Segment financial information for 2014 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	1,731,477	$	1,312,977	$	—		$	3,044,454
Intersegment sales/(elimination)	36,185		7,358		(43,543		)	$	—
Total sales	$	1,767,662	$	1,320,335	$	(43,543	)	$	3,044,454
Income (loss) from operations	$	402,456	$	147,821	$	(23,168	)	$	527,109
Interest expense and other, net	—		—		(19,254		)	(19,254		)
Income (loss) from operations before income taxes	$	402,456	$	147,821	$	(42,422	)	$	507,855
Depreciation and amortization	$	34,579	$	24,956	$	1,726		$	61,261
Capital expenditures	22,913		22,859		1,890			47,662
Segment assets	2,516,645		2,024,312		(1,237,116		)	3,303,841



Segment financial information for 2013 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	1,398,103	$	1,168,289	$	—		$	2,566,392
Intersegment sales/(elimination)	25,463		6,992		(32,455		)	—
Total sales	$	1,423,566	$	1,175,281	$	(32,455	)	$	2,566,392
Income (loss) from operations	$	309,133	$	143,634	$	(15,457	)	$	437,310
Interest expense and other, net	—		—		(16,223		)	(16,223		)
Income (loss) from operations before income taxes	$	309,133	$	143,634	$	(31,680	)	$	421,087
Depreciation and amortization	$	30,645	$	19,103	$	1,445		$	51,193
Capital expenditures	22,020		17,119		2,099			41,238
Segment assets	2,258,773		1,706,829		(1,143,605		)	2,821,997

The following geographic area data as of and for the years ended December 31, 2015, 2014 and 2013, respectively, includes net sales based on product shipment destination and long-lived assets, which consist of plant, property and equipment, net of depreciation, resident in their respective countries:



	Net Sales						Long-Lived Assets
In thousands	2015		2014		2013		2015		2014		2013
United States	$	1,754,924	$	1,537,002	$	1,336,604	$	171,362	$	158,913	$	150,952
United Kingdom	368,505		362,855		297,139		63,694		62,305		43,733
Canada	204,674		175,561		167,417		4,876		5,462		6,442
Mexico	190,034		174,218		128,184		8,839		7,812		5,862
China	100,586		101,889		49,952		12,256		12,788		7,863
Germany	92,422		86,792		54,869		31,642		33,441		13,599
Australia	86,809		113,668		141,056		8,424		6,505		5,033
Brazil	84,595		83,906		78,532		9,318		5,074		1,031
France	45,565		41,469		37,925		7,194		7,686		8,437
Italy	38,164		42,865		42,702		15,170		17,913		21,374
Netherlands	25,869		19,452		9,921		7,506		10,201		2,459
Other international	315,851		304,777		222,091		12,912		11,011		9,293
Total	$	3,307,998	$	3,044,454	$	2,566,392	$	353,193	$	339,111	$	276,078

Export sales from the Company’s United States operations were $508.4 million, $521.7 million and $542.3 million for the years ended December 31, 2015, 2014 and 2013, respectively.

Sales by product are as follows:



In thousands	2015		2014		2013
Specialty Products & Electronics	$	1,733,881	$	1,393,955	$	1,041,771
Brake Products	627,552		662,336		567,730
Remanufacturing, Overhaul & Build	606,624		618,885		655,387
Other Transit Products	189,581		201,913		204,115
Other	150,360		167,365		97,389
Total sales	$	3,307,998	$	3,044,454	$	2,566,392

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details

OTHER INCOME (EXPENSE)

12 Months Ended

Dec. 31, 2015

Other Income and Expenses [Abstract]

OTHER INCOME (EXPENSE)

The components of other expense are as follows:



	For the year ended December 31,
In thousands	2015			2014			2013
Foreign currency (loss)	$	(4,659	)	$	(2,445	)	$	(3,512	)
Other miscellaneous (expense) income	(652		)	765			2,630
Total other (expense), net	$	(5,311	)	$	(1,680	)	$	(882	)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2015

Disclosure Selected Quarterly Financial Data [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)



	First		Second		Third		Fourth
In thousands, except per share data	Quarter		Quarter		Quarter		Quarter
2015
Net sales	$	818,594	$	847,028	$	809,527	$	832,849
Gross profit	255,355		267,764		257,069		267,628
Income from operations	148,420		155,860		152,078		151,209
Net income attributable to Wabtec shareholders	96,164		101,504		99,181		101,779
Basic earnings from operations per common share (1)	$	1.00	$	1.05	$	1.03	$	1.06
Diluted earnings from operations per common share (1)	$	0.99	$	1.04	$	1.02	$	1.05
2014
Net sales	$	695,249	$	731,068	$	797,271	$	820,866
Gross profit	209,569		224,658		247,458		254,297
Income from operations	121,846		132,323		135,977		136,963
Net income attributable to Wabtec shareholders	80,134		88,705		90,155		92,686
Basic earnings from operations per common share (1)	$	0.84	$	0.92	$	0.94	$	0.96
Diluted earnings from operations per common share (1)	$	0.83	$	0.91	$	0.93	$	0.95

The Company operates on a four-four-five week accounting quarter, and the quarters end on or about March 31, June 30 and September 30. The fiscal year ends on December 31.


(1)	Information above for basic earnings from operations per common share and diluted earnings from operations per common share for all periods presented reflects the two-for-one split of the Company’s common stock, which occurred on May 14, 2013.

Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2015

Valuation and Qualifying Accounts [Abstract]

Valuation And Qualifying Accounts

SCHEDULE II

WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION

VALUATION AND QUALIFYING ACCOUNTS

For each of the three years ended December 31



In thousands	Balance at beginning of period		Charged/ (credited) to expense			Charged/ (credited) to other accounts (1)			Deductions from reserves (2)		Balance at end of period
2015
Warranty and overhaul reserves	$	87,849	$	35,418		$	(1,762	)	$	29,441	$	92,064
Allowance for doubtful accounts	6,270		2,026			—			2,682		5,614
Valuation allowance-taxes	1,818		7,024			3,781			—		12,623
Merger and restructuring reserve	686		—			—			64		622
2014
Warranty and overhaul reserves	$	60,593	$	34,110		$	12,717		$	19,571	$	87,849
Allowance for doubtful accounts	5,707		4,200			—			3,637		6,270
Valuation allowance-taxes	3,332		(1,514		)	—			—		1,818
Merger and restructuring reserve	775		—			—			89		686
2013
Warranty and overhaul reserves	$	58,212	$	23,059		$	(75	)	$	20,603	$	60,593
Allowance for doubtful accounts	6,656		2,361			—			3,310		5,707
Valuation allowance-taxes	2,141		1,191			—			—		3,332
Merger and restructuring reserve	836		—			—			61		775


(1)	Reserves of acquired/(sold) companies; valuation allowances for state and foreign deferred tax assets; impact of fluctuations in foreign currency exchange rates.


(2)	Actual disbursements and/or charges.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	12 Months Ended
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	Dec. 31, 2015
Accounting Policies [Abstract]
Principles of Consolidation	The consolidated financial statements include the accounts of the Company and its majority owned subsidiaries. Such statements have been prepared in accordance with U.S. generally accepted accounting principles. Sales between subsidiaries are billed at prices consistent with sales to third parties and are eliminated in consolidation.
Capital Structure	On May 14, 2013, our stockholders approved an amendment to our Amended and Restated Certificate of Incorporation to increase the number of authorized shares of our common stock to 200.0 million shares. In addition, on May 14, 2013, our Board of Directors approved a two-for-one split of the Company’s issued and outstanding common stock in the form of a 100% stock dividend. The increase in the authorized shares and the stock split became effective on May 14, 2013 and June 11, 2013, respectively. The Company issued approximately 66.2 million shares of its common stock as a result of the two-for-one stock split. The par value of the Company’s common stock remained unchanged at $0.01 per share. Information regarding shares of common stock (except par value per share), retained earnings, and net income per common share attributable to Wabtec shareholders for all periods presented reflects the two-for-one split of the Company’s common stock. The number of shares of the Company’s common stock issuable upon exercise of outstanding stock options and vesting of other stock-based awards was proportionally increased, and the exercise price per share thereof was proportionally decreased, in accordance with the terms of the stock incentive plans.
Cash Equivalents	Cash equivalents are highly liquid investments purchased with an original maturity of three months or less.
Allowance for Doubtful Accounts	The allowance for doubtful accounts receivable reflects our best estimate of probable losses inherent in our receivable portfolio determined on the basis of historical experience, specific allowances for known troubled accounts and other currently available evidence. The allowance for doubtful accounts was $5.6 million and $6.3 million as of December 31, 2015 and 2014, respectively.
Inventories	Inventories are stated at the lower of cost or market. Cost is determined under the first-in, first-out (FIFO) method. Inventory costs include material, labor and overhead.
Property, Plant and Equipment	Property, plant and equipment additions are stated at cost. Expenditures for renewals and improvements are capitalized. Expenditures for ordinary maintenance and repairs are expensed as incurred. The Company provides for book depreciation principally on the straight-line method. Accelerated depreciation methods are utilized for income tax purposes.
Leasing Arrangements	The Company conducts a portion of its operations from leased facilities and finances certain equipment purchases through lease agreements. In those cases in which the lease term approximates the useful life of the leased asset or the lease meets certain other prerequisites, the leasing arrangement is classified as a capital lease. The remaining arrangements are treated as operating leases.
Intangible Assets	Goodwill and other intangible assets with indefinite lives are not amortized. Other intangibles (with definite lives) are amortized on a straight-line basis over their estimated economic lives. Amortizable intangible assets are reviewed for impairment when indicators of impairment are present. The Company tests goodwill and indefinite-lived intangible assets for impairment at least annually. The Company performs its annual impairment test during the fourth quarter after the annual forecasting process is completed, and also tests for impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. Periodically, Management of the Company assesses whether or not an indicator of impairment is present that would necessitate an impairment analysis be performed. For 2015, the Company opted to perform a qualitative goodwill assessment and determined that step two was not necessary. In assessing the qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount, we assess relevant events and circumstances that may impact the fair value and the carrying amount of the reporting unit. The identification of relevant events and circumstances and how these may impact a reporting unit’s fair value or carrying amount involve significant judgments and assumptions. The judgment and assumptions include the identification of macroeconomic conditions, industry and market considerations, cost factors, overall financial performance, Wabtec specific events and share price trends and making the assessment on whether each relevant factor will impact the impairment test positively or negatively and the magnitude of any such impact. If our qualitative assessment concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying value, the Company then performs a two-step impairment test. In the first step of the quantitative assessment, our assets and liabilities, including existing goodwill and other intangible assets, are assigned to the identified reporting units to determine the carrying value of the reporting units. The Company reviews goodwill for impairment at the reporting unit level. The Company prepares its goodwill impairment analysis by comparing the estimated fair value of each reporting unit, using an income approach (a discounted cash flow model) as well as a market approach, with its carrying value. The income approach and the market approach are equally weighted in arriving at fair value, which the Company has applied consistently. The discounted cash flow model requires several assumptions including future sales growth, EBIT (earnings before interest and taxes) margins and capital expenditures for the reporting units. The discounted cash flow model also requires the use of a discount rate and a terminal revenue growth rate (the revenue growth rate for the period beyond the three years forecasted by the reporting units), as well as projections of future operating margins. The market approach requires several assumptions including EBITDA (earnings before interest, taxes, depreciation and amortization) multiples for comparable companies that operate in the same markets as the Company’s reporting units.
Warranty Costs	Warranty costs are accrued based on Management’s estimates of repair or upgrade costs per unit and historical experience. Warranty expense was $35.4 million, $34.1 million and $22.9 million for 2015, 2014 and 2013, respectively. Accrued warranty was $92.1 million and $87.8 million at December 31, 2015 and 2014, respectively.
Income Taxes	Income taxes are accounted for under the liability method. Deferred tax assets and liabilities are determined based on differences between financial reporting and tax basis of assets and liabilities and are measured using the enacted tax rates and laws. The provision for income taxes includes federal, state and foreign income taxes.
Stock-Based Compensation	The Company recognizes compensation expense for stock-based compensation based on the grant date fair value amortized ratably over the requisite service period following the date of grant.
Financial Derivatives and Hedging Activities	The Company has entered into foreign currency forward contracts to reduce the impact of changes in currency exchange rates. Foreign currency forward contracts are agreements with a counterparty to exchange two distinct currencies at a set exchange rate for delivery on a set date at some point in the future. There is no exchange of funds until the delivery date. At the delivery date the Company can either take delivery of the currency or settle on a net basis. At December 31, 2015, the Company had no material foreign currency forward contracts. To reduce the impact of interest rate changes on a portion of it's variable-rate debt, the Company has entered into two forward starting interest rate swap agreement with a notional value of $150 million. As of December 31, 2015, the Company has recorded a current liability of $4.5 million and a corresponding offset in accumulated other comprehensive loss of $2.7 million, net of tax, related to these agreements. For further information regarding the forward starting interest rate swap agreements, see Footnote 9.
Foreign Currency Translation	Assets and liabilities of foreign subsidiaries, except for the Company’s Mexican operations whose functional currency is the U.S. Dollar, are translated at the rate of exchange in effect on the balance sheet date while income and expenses are translated at the average rates of exchange prevailing during the period. Foreign currency gains and losses resulting from transactions, and the translation of financial statements are recorded in the Company’s consolidated financial statements based upon the provisions of Accounting Standards Codification (“ASC”) 830, “Foreign Currency Matters.” The effects of currency exchange rate changes on intercompany transactions and balances of a long-term investment nature are accumulated and carried as a component of accumulated other comprehensive loss. The effects of currency exchange rate changes on intercompany transactions that are denominated in a currency other than an entity’s functional currency are charged or credited to earnings. Foreign exchange transaction losses recognized in other (expense) income, net were $4.7 million, $2.4 million and $3.5 million for 2015, 2014 and 2013, respectively.
Noncontrolling Interests	In accordance with ASC 810, the Company has classified noncontrolling interests as equity on our condensed consolidated balance sheets as of December 31, 2015 and 2014. Net income attributable to noncontrolling interests for the years ended December 31, 2015, 2014 and 2013 was not material.
Other Comprehensive Income (Loss)	Comprehensive income (loss) is defined as net income and all other non-owner changes in shareholders’ equity. The Company’s accumulated other comprehensive income consists of foreign currency translation adjustments, foreign currency hedges, foreign exchange contracts, interest rate swaps, and pension and post retirement related adjustments.
Revenue Recognition	Revenue is recognized in accordance with ASC 605 “Revenue Recognition,” The Company recognized revenue when the following criteria are met: 1) persuasive evidence of an arrangement exists; 2) delivery has occurred; 3) an established sales price has been set with the customer; 4) collection of the sale revenue from the customer is reasonably assured; and 5) no contingencies exist. Delivery is considered to have occurred when the customer assumes the risk and rewards of ownership. The Company estimates and records provisions for quantity rebates and sales returns and allowances as an offset to revenue in the same period the related revenue is recognized, based upon its experience. These items are included as a reduction in deriving net sales. In general, the Company recognizes revenues on long-term contracts based on the percentage of completion method of accounting. The units-of-delivery method or other input-based or output-based measures, as appropriate, are used to measure the progress toward completion of individual contracts. Contract revenues and cost estimates are reviewed and revised quarterly at a minimum and adjustments are reflected in the accounting period as such amounts are determined. Provisions are made currently for estimated losses on uncompleted contracts. Unbilled accounts receivables were $103.8 million and $187.8 million, customer deposits were $106.1 million and $111.8 million, and provisions for loss contracts were $11.8 million and $7.1 million at December 31, 2015 and 2014, respectively. Certain pre-production costs relating to long-term production and supply contracts have been deferred and will be recognized over the life of the contracts. Deferred pre-production costs were $30.3 million and $24.9 million at December 31, 2015 and 2014, respectively.
Significant Customers and Concentrations of Credit Risk	The Company’s trade receivables are from rail and transit industry original equipment manufacturers, Class I railroads, railroad carriers and commercial companies that utilize rail cars in their operations, such as utility and chemical companies. No one customer accounted for more than 10% of the Company’s consolidated net sales in 2015, 2014 or 2013.
Shipping and Handling Fees and Costs	All fees billed to the customer for shipping and handling are classified as a component of net revenues. All costs associated with shipping and handling is classified as a component of cost of sales.
Research and Development	Research and development costs are charged to expense as incurred. For the years ended December 31, 2015, 2014 and 2013, the Company incurred costs of approximately $71.2 million, $61.9 million, and $46.3 million, respectively.
Employees	As of December 31, 2015, approximately 30% of the Company’s workforce was covered by collective bargaining agreements. These agreements are generally effective from 2015 through 2017. Agreements expiring in 2015 cover approximately 26% of the Company’s workforce.
Earnings Per Share	Basic and diluted earnings per common share is computed in accordance with ASC 260 “Earnings Per Share.” Unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are participating securities and included in the computation of earnings per share pursuant to the two-class method included in ASC 260-10-55. (See Note 12 “Earnings Per Share” included herein)
Use of Estimates	The preparation of financial statements in conformity with generally accepted accounting principles in the United States requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period. Actual amounts could differ from the estimates. On an ongoing basis, Management reviews its estimates based on currently available information. Changes in facts and circumstances may result in revised estimates.
Recent Accounting Pronouncements	In April 2015, the FASB issued Accounting Standards Update No. 2015-3, “Simplifying the Presentation of Debt Issuance Costs” (“ASU 2015-3”) which changes the presentation of debt issuance costs in financial statements to present such costs as a direct deduction from the related debt liability rather than as an asset. ASU 2015-3 will become effective for public companies during interim and annual reporting periods beginning after December 15, 2015. Early adoption is permitted. The adoption of this standard is not expected to have a material impact to the financial statements. The Company will make the required changes in the first quarter of 2016. In May 2014, the FASB issued ASU no. 2014-9, “Revenue from Contract with Customers.” The ASU will supersede most of the existing revenue recognition requirements in U.S. GAAP and will require entities to recognize revenue at an amount that reflects the consideration to which the Company expects to be entitled in exchange for transferring goods or services to a customer. The new standard also requires significantly expanded disclosures regarding the qualitative and quantitative information of an entity’s nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The Board voted to propose that the standard would take effect for reporting periods beginning after December 15, 2017 and that early adoption would be allowed as of the original effective date. The Company is currently evaluating the impact the pronouncement will have on the consolidated financial statements and related disclosures. In November 2015, the FASB issued ASU No. 2015-17, “Balance Sheet Classification of Deferred Taxes” as part of their simplification initiatives. The update requires that deferred tax liabilities and assets be classified as noncurrent in a classified statement of financial position. The update is effective for financial periods beginning after December 15, 2017; however, early application is permitted. The adoption of this standard is not expected to have a material impact to the financial statements.

ACQUISITIONS (Tables)

12 Months Ended

Dec. 31, 2015

Business Acquisition [Line Items]

Pro Forma Financial Information

The following unaudited pro forma financial information presents income statement results as if the acquisitions listed above had occurred January 1, 2014:



	For the year ended December 31,
In thousands	2015		2014
Net sales	$	3,340,294	$	3,309,365
Gross profit	1,061,080		1,022,391
Net income attributable to Wabtec shareholders	400,692		380,076
Diluted earnings per share
As Reported	$	4.10	$	3.62
Pro forma	$	4.13	$	3.91

RMS, Track IQ, RCL and C2CE

Business Acquisition [Line Items]

Summary of Preliminary Estimated Fair Values of the Assets Acquired and Liabilities Assumed at the Date of the Acquisition

For the C2CE acquisition, the following table summarizes the final fair value of assets acquired and liabilities assumed at the date of acquisition.



	RMS			Track IQ			RCL			C2CE
	October 30,			October 8,			February 4,			September 3,
In thousands	2015			2015			2015			2014
Current assets	$	3,605		$	660		$	16,421		$	9,812
Property, plant & equipment	1,378			187			11,983			1,853
Goodwill	7,584			6,440			14,940			15,896
Other intangible assets	10,426			3,246			40,403			3,654
Total assets acquired	22,993			10,533			83,747			31,215
Total liabilities assumed	(4,283		)	(1,430		)	(5,736		)	(5,736		)
Net assets acquired	$	18,710		$	9,103		$	78,011		$	25,479

MTC, Dia-Frag and Fandstan

Business Acquisition [Line Items]

Summary of Preliminary Estimated Fair Values of the Assets Acquired and Liabilities Assumed at the Date of the Acquisition

For the Dia-Frag and Fandstan acquisitions, the following table summarizes the final fair values of the assets acquired and liabilities assumed at the date of the acquisitions.



	MTC			Dia-Frag			Fandstan
	June 17,			August 19,			June 6,
In thousands	2015			2014			2014
Current assets	$	10,906		$	12,158		$	124,280
Property, plant & equipment	1,510			13,749			67,948
Goodwill	12,141			35,850			62,476
Other intangible assets	7,649			26,150			50,598
Other assets	114			66			216
Total assets acquired	32,320			87,973			305,518
Total liabilities assumed	(8,960		)	(17,332		)	(106,114		)
Net assets acquired	$	23,360		$	70,641		$	199,404

SUPPLEMENTAL CASH FLOW DISCLOSURES (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow Disclosures



	Year Ended December 31,
	2015		2014		2013
In thousands
Interest paid during the year	$	19,372	$	18,445	$	15,601
Income taxes paid during the year, net of amount refunded	$	147,958	$	125,212	$	137,945
Business acquisitions:
Fair value of assets acquired	155,274		454,596		267,306
Liabilities assumed	20,409		124,005		44,846
Cash paid	134,865		330,591		222,460
Less cash acquired	5,681		30,154		671
Net cash paid	$	129,184	$	300,437	$	221,789

INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Components of Inventory, Net of Reserves

The components of inventory, net of reserves, were:



	December 31,
In thousands	2015		2014
Raw materials	$	180,128	$	222,059
Work-in-progress	171,217		154,094
Finished goods	127,229		134,796
Total inventories	$	478,574	$	510,949

PROPERTY, PLANT & EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Major Classes of Depreciable Assets

The major classes of depreciable assets are as follows:



	December 31,
In thousands	2015			2014
Machinery and equipment	$	502,086		$	476,467
Buildings and improvements	170,668			180,227
Land and improvements	41,671			23,440
Locomotive leased fleet	2,870			2,900
PP&E	717,295			683,034
Less: accumulated depreciation	(364,102		)	(343,923		)
Total	$	353,193		$	339,111

Estimated Useful Lives of Property Plant and Equipment

The estimated useful lives of property, plant and equipment are as follows:



	Years
Land improvements	10 to 20
Building and improvements	20 to 40
Machinery and equipment	3 to 15

INTANGIBLES (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Change in the Carrying Amount of Goodwill by Segment

The change in the carrying amount of goodwill by segment for the year ended December 31, 2015 is as follows:



	Freight			Transit
In thousands	Segment			Segment			Total
Balance at December 31, 2014	$	515,067		$	347,271		$	862,338
Adjustment to preliminary purchase allocation	(1,210		)	(4,056		)	(5,266		)
Acquisitions	28,964			12,140			41,104
Foreign currency impact	(10,856		)	(28,788		)	(39,644		)
Balance at December 31, 2015	$	531,965		$	326,567		$	858,532

Intangible Assets of the Company, Other Than Goodwill and Trademarks

Intangible assets of the Company, other than goodwill and trademarks, consist of the following:



	December 31,
In thousands	2015		2014
Patents, non-compete and other intangibles, net of accumulated
amortization of $40,936 and $39,780	$	11,403	$	14,722
Customer relationships, net of accumulated amortization
of $70,493 and $56,684	261,751		237,983
Total	$	273,154	$	252,705

Amortization Expense

Estimated amortization expense for the five succeeding years is as follows (in thousands):



2016	$	20,775
2017	18,889
2018	18,146
2019	17,478
2020	17,018

LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following:



	December 31,
In thousands	2015		2014
4.375% Senior Notes, due 2023	$	250,000	$	250,000
Revolving Credit Facility	445,000		270,000
Capital Leases	727		1,195
Total	695,727		521,195
Less - current portion	433		792
Long-term portion	$	695,294	$	520,403

Principal Repayments of Debt and Capital Lease



Scheduled principal repayments of debt and capital lease balances as of December 31, 2015 are as follows:

2016	$	464
2017	128
2018	445,068
2019	29
2020	11
Future years	250,027
Total	$	695,727

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

+ Details

EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of U.S. and International Pension Plans with Accumulated Benefit Obligations and with Projected Benefit Obligations in Excess of Plan Assets



	U.S.						International
In thousands	2015			2014			2015			2014
Information for pension plans with accumulated benefit obligations in
excess of Plan assets:
Projected benefit obligation	$	(46,120	)	$	(50,154	)	$	(195,311	)	$	(143,121	)
Accumulated benefit obligation	(45,201		)	(49,303		)	(190,188		)	(138,443		)
Fair value of plan assets	37,640			41,503			168,069			104,232
Information for pension plans with projected benefit obligations in
excess of plan assets:
Projected benefit obligation	$	(46,120	)	$	(50,154	)	$	(135,168	)	$	(151,920	)
Fair value of plan assets	37,640			41,503			102,372			112,526

Pension Plan Assets by Asset Category

Pension Plan Assets



	U.S.				International
In thousands	2015		2014		2015		2014
Pension Plan Assets
Equity security funds	$	20,275	$	20,696	$	87,321	$	99,715
Debt security funds and other	16,441		20,034		77,173		78,510
Cash and cash equivalents	924		773		3,575		4,029
Fair value of plan assets	$	37,640	$	41,503	$	168,069	$	182,254

Costs Recognized Under Defined Contribution Plans and Multiemployer Pension Plans

The Company also participates in certain defined contribution plans and multiemployer pension plans. Costs recognized under these plans are summarized as follows:



	For the year ended December 31,
In thousands	2015		2014		2013
Multi-employer pension and health & welfare plans	$	2,584	$	2,405	$	2,678
401(k) savings and other defined contribution plans	21,399		19,925		17,291
Total	$	23,983	$	22,330	$	19,969

Contributions in Multiemployer Pension Plans



			Pension Protection Act Zone Status (b)		FIP/	Contributions by the Company													Expiration Dates of
					RP Status Pending/													Surcharge Imposed	Collective Bargaining
Pension Fund	EIN/PN (a)		2013	2012	Implemented (c)	2015				2014				2013				(d)	Agreements
Idaho Operating Engineers-	EIN #	91-6075538	Green	Green	No	$	1,820	(1	)	$	1,745	(1	)	$	2,154	(1	)	No	6/30/2018
Employers Pension Trust Fund	Plan#	001
Automobile Mechanics' Local No 701 Union and	EIN #	36-6042061	Red	Red	Yes (2)	$	764			$	660			$	524			Yes (3)	12/11/2017
Industry Pension Plan	Plan #	001
					Total Contributions	$	2,584			$	2,405			$	2,678


(1)	The Company’s contribution represents more than 5% of the total contributions to the plan.


(2)	The Pension Fund’s board adopted a Funding Improvement Plan on October 21, 2015, continuing the existing plan which increased the weekly pension fund contribution rates by $75 with corresponding decreases to the weekly welfare fund contribution rates until December 31, 2017.


(3)	Critical status triggered a 5% surcharge on employer contributions effective June 2012. Effective January 1, 2013, this surcharge increases to 10%. The surcharge ended on October 21, 2015 when the rehabilitation plan commenced.


(a)	The “EIN / PN” column provides the Employer Identification Number and the three-digit plan number assigned to a plan by the Internal Revenue Service.

(b)


(c)	The “FIP/RP Status Pending/Implemented” column indicates whether a Funding Improvement Plan, as required under the Code to be adopted by plans in the “yellow” zone, or a Rehabilitation Plan, as required under the Code to be adopted by plans in the “red” zone, is pending or has been implemented as of the end of the plan year that ended in 2015.


(d)	The “Surcharge Imposed” column indicates whether the Company’s contribution rate for 2015 included an amount in addition the contribution rate specified in the applicable collective bargaining agreement, as imposed by a plan in “critical status”, in accordance with the requirements of the Code.

Defined Benefit Pension Plans

Obligations and Funded Status

The following tables provide information regarding the Company’s defined benefit pension plans summarized by U.S. and international components.

Obligations and Funded Status



	U.S.						International
In thousands	2015			2014			2015			2014
Change in projected benefit obligation
Obligation at beginning of year	$	(50,154	)	$	(47,090	)	$	(219,225	)	$	(170,931	)
Service cost	(381		)	(334		)	(2,015		)	(2,138		)
Interest cost	(1,914		)	(2,070		)	(7,091		)	(8,102		)
Employee contributions	—			—			(503		)	(385		)
Plan curtailments and amendments	—			—			—			473
Benefits paid	3,628			5,083			8,028			7,616
Acquisition	—			—			—			(39,381		)
Actuarial gain (loss)	2,701			(5,743		)	3,084			(23,335		)
Effect of currency rate changes	—			—			22,411			16,958
Obligation at end of year	$	(46,120	)	$	(50,154	)	$	(195,311	)	$	(219,225	)
Change in plan assets
Fair value of plan assets at beginning of year	$	41,503		$	42,980		$	182,254		$	156,705
Actual return on plan assets	(235		)	3,606			6,572			17,363
Employer contributions	—			—			6,746			6,036
Employee contributions	—			—			503			385
Benefits paid	(3,628		)	(5,083		)	(8,028		)	(7,616		)
Acquisition	—			—			—			23,444
Effect of currency rate changes	—			—			(19,978		)	(14,063		)
Fair value of plan assets at end of year	$	37,640		$	41,503		$	168,069		$	182,254
Funded status
Fair value of plan assets	$	37,640		$	41,503		$	168,069		$	182,254
Benefit obligations	(46,120		)	(50,154		)	(195,311		)	(219,225		)
Funded status	$	(8,480	)	$	(8,651	)	$	(27,242	)	$	(36,971	)
Amounts recognized in the statement of financial position consist of:
Noncurrent assets	$	—		$	—		$	5,554		$	2,424
Current liabilities	—			—			(362		)	(398		)
Noncurrent liabilities	(8,480		)	(8,651		)	(32,434		)	(38,997		)
Net amount recognized	$	(8,480	)	$	(8,651	)	$	(27,242	)	$	(36,971	)
Amounts recognized in accumulated other comprehensive income (loss) consist of:
Initial net obligation	$	—		$	—		$	(275	)	$	(449	)
Prior service cost	(11		)	(13		)	(80		)	(157		)
Net actuarial loss	(23,305		)	(24,665		)	(41,782		)	(49,180		)
Net amount recognized	$	(23,316	)	$	(24,678	)	$	(42,137	)	$	(49,786	)

Components of Net Periodic Benefit Costs



	U.S.									International
In thousands	2015			2014			2013			2015			2014			2013
Service cost	$	380		$	334		$	432		$	2,015		$	2,138		$	2,035
Interest cost	1,914			2,070			1,960			7,091			8,102			6,661
Expected return on plan assets	(2,168		)	(2,476		)	(2,977		)	(9,591		)	(9,646		)	(8,418		)
Amortization of initial net obligation and prior service cost	3			23			62			212			248			270
Amortization of net loss	1,062			2,197			3,180			2,379			2,768			3,107
Settlement and curtailment losses recognized	—			—			—			—			(390		)	3,655
Net periodic benefit cost	$	1,191		$	2,148		$	2,657		$	2,106		$	3,220		$	7,310

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income during 2015 are as follows:



In thousands	U.S.			International
Net gain (loss) arising during the year	$	297		$	65
Effect of exchange rates	—			4,954
Amortization or curtailment recognition of prior service cost	3			—
Amortization or settlement recognition of net loss	1,062			2,379
Total recognized in other comprehensive income (loss)	$	1,362		$	7,398
Total recognized in net periodic benefit cost and other comprehensive (loss) income	$	(2,553	)	$	(9,504	)

Weighted Average Assumptions Used to Develop Actuarial Present Value of Projected Benefit Obligation

The weighted average assumptions in the following table represent the rates used to develop the actuarial present value of the projected benefit obligation for the year listed.



	U.S.						International
	2015		2014		2013		2015		2014		2013
Discount rate	4.21	%	3.95	%	4.70	%	3.56	%	3.48	%	4.43	%
Expected return on plan assets	5.70	%	5.70	%	6.20	%	5.81	%	5.79	%	6.07	%
Rate of compensation increase	3.00	%	3.00	%	3.00	%	3.10	%	3.10	%	3.59	%

Amounts Included in Other Comprehensive Loss That are Expected to be Recognized as Components of Periodic Benefit Costs

As of December 31, 2015 the following table represents the amounts included in other comprehensive loss that are expected to be recognized as components of periodic benefit costs in 2016.



In thousands	U.S.		International
Net transition obligation	$	—	$	150
Prior service cost	3		26
Net actuarial loss	914		2,287
	$	917	$	2,463

Benefit Payments Expected to be Paid to Plan Participants

Benefit payments expected to be paid to plan participants are as follows:



In thousands	U.S.		International
Year ended December 31,
2016	$	3,399	$	6,939
2017	3,519		7,261
2018	3,388		7,487
2019	3,394		7,733
2020	3,372		7,854
2021 through 2025	15,820		42,040

Post Retirement Benefit Plans

Obligations and Funded Status



	U.S.						International
In thousands	2015			2014			2015			2014
Change in projected benefit obligation
Obligation at beginning of year	$	(31,872	)	$	(25,860	)	$	(3,905	)	$	(3,871	)
Service cost	(9		)	(29		)	(38		)	(47		)
Interest cost	(1,233		)	(1,155		)	(128		)	(173		)
Plan amendments	16,140			—			—			—
Benefits paid	1,478			978			125			66
Actuarial gain (loss)	2,537			(5,806		)	37			(238		)
Effect of currency rate changes	—			—			619			358
Obligation at end of year	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
Change in plan assets
Fair value of plan assets at beginning of year	$	—		$	—		$	—		$	—
Employer contributions	1,478			978			125			162
Benefits paid	(1,478		)	(978		)	(125		)	(162		)
Fair value of plan assets at end of year	$	—		$	—		$	—		$	—
Funded status
Fair value of plan assets	$	—		$	—		$	—		$	—
Benefit obligations	(12,959		)	(31,872		)	(3,290		)	(3,905		)
Funded status	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
	U.S.						International
In thousands	2015			2014			2015			2014
Amounts recognized in the statement of financial position consist of:
Current liabilities	$	(1,197	)	$	(1,305	)	$	(181	)	$	(212	)
Noncurrent liabilities	(11,762		)	(30,567		)	(3,109		)	(3,693		)
Net amount recognized	$	(12,959	)	$	(31,872	)	$	(3,290	)	$	(3,905	)
Amounts recognized in accumulated other comprehensive income (loss)
consist of:
Initial net obligation	$	—		$	—		$	—		$	—
Prior service credit	22,837			8,993			21			32
Net actuarial (loss) gain	(22,202		)	(26,096		)	351			422
Net amount recognized	$	635		$	(17,103	)	$	372		$	454

Components of Net Periodic Benefit Costs

Components of Net Periodic Benefit Cost



	U.S.									International
In thousands	2015			2014			2013			2015			2014			2013
Service cost	$	9		$	29		$	47		$	38		$	47		$	48
Interest cost	1,233			1,155			1,113			129			173			172
Amortization of initial net obligation and prior service cost	(2,295		)	(2,730		)	(2,689		)	(7		)	(8		)	(211		)
Amortization of net loss (gain)	1,356			1,330			1,634			(30		)	(141		)	(93		)
Net periodic benefit cost (credit)	$	303		$	(216	)	$	105		$	130		$	71		$	(84	)

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income

Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income during 2015 are as follows:



In thousands	U.S.			International
Prior service credit	$	16,140		$	—
Net loss arising during the year	2,537			37
Effect of exchange rates	—			(72		)
Amortization or curtailment recognition of prior service cost	(2,295		)	(7		)
Amortization or settlement recognition of net loss (gain)	1,356			(30		)
Total recognized in other comprehensive income (loss)	$	17,738		$	(72	)
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$	17,435		$	(202	)

Weighted Average Assumptions Used to Develop Actuarial Present Value of Projected Benefit Obligation



	U.S.						International
	2015		2014		2013		2015		2014		2013
Discount rate	3.95	%	3.95	%	4.70	%	3.80	%	3.96	%	4.60	%

Amounts Included in Other Comprehensive Loss That are Expected to be Recognized as Components of Periodic Benefit Costs

As of December 31, 2015 the following table represents the amounts included in other comprehensive loss that are expected to be recognized as components of periodic benefit costs in 2016.



In thousands	U.S.			International
Prior service cost	(2,294		)	(7		)
Net actuarial loss (gain)	1,355			(30		)
	$	(939	)	$	(37	)

Benefit Payments Expected to be Paid to Plan Participants

Benefit payments expected to be paid to plan participants are as follows:



In thousands	U.S.		International
Year ended December 31,
2016	$	1,197	$	181
2017	1,104		180
2018	1,078		188
2019	1,049		200
2020	1,023		204
2021 through 2025	4,609		1,209

INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Components of Income from Operations before Provision for Income Taxes

The components of the income from operations before provision for income taxes for the Company’s domestic and foreign operations for the years ended December 31 are provided below:



	For the year ended December 31,
In thousands	2015		2014		2013
Domestic	$	461,394	$	343,180	$	285,395
Foreign	123,974		164,675		135,692
Income from operations before income taxes	$	585,368	$	507,855	$	421,087

Consolidated Provision for Income Taxes

The consolidated provision for income taxes included in the Statement of Income consisted of the following:



	For the year ended December 31,
In thousands	2015			2014			2013
Current taxes
Federal	$	141,245		$	108,782		$	70,459
State	16,072			17,091			13,173
Foreign	24,442			37,356			29,972
	181,759			163,229			113,604
Deferred taxes
Federal	9,606			2,287			11,146
State	770			1,404			1,375
Foreign	(5,395		)	(10,745		)	2,727
	4,981			(7,054		)	15,248
Total provision	$	186,740		$	156,175		$	128,852

Reconciliation of Income Tax Rate

A reconciliation of the United States federal statutory income tax rate to the effective income tax rate on operations for the years ended December 31 is provided below:



	For the year ended December 31,
In thousands	2015		2014		2013
U.S. federal statutory rate	35.0	%	35.0	%	35.0	%
State taxes	2.0	%	2.2	%	2.2	%
Tax reserves	(0.4	)%	0.3	%	—	%
Foreign	(2.1	)%	(4.2	)%	(3.9	)%
Research and development credit	(0.4	)%	(0.5	)%	(0.6	)%
Manufacturing deduction	(2.3	)%	(1.8	)%	(1.7	)%
Other, net	0.1	%	(0.2	)%	(0.4	)%
Effective rate	31.9	%	30.8	%	30.6	%

Components of Deferred Tax Assets and Liabilities

Components of deferred tax assets and liabilities were as follows:



	December 31,
In thousands	2015			2014
Deferred income tax assets:
Accrued expenses and reserves	$	39,426		$	34,167
Warranty reserve	24,544			21,123
Deferred compensation/employee benefits	24,950			21,759
Pension and postretirement obligations	15,507			26,736
Inventory	18,664			13,570
Net operating loss carry forwards	25,636			5,036
Tax credit carry forwards	959			1,078
Gross deferred income tax assets	149,686			123,469
Valuation allowance	12,623			1,818
Total deferred income tax assets	137,063			121,651
Deferred income tax liabilities:
Property, plant & equipment	34,518			29,998
Intangibles	167,108			157,781
Other	2,243			144
Total deferred income tax liabilities	203,869			187,923
Net deferred income tax liability	$	(66,806	)	$	(66,272	)

Liability for Income Taxes Associated with Uncertain Tax Positions

A reconciliation of the beginning and ending amount of the liability for income taxes associated with unrecognized tax benefits follows:



In thousands	2015			2014			2013
Gross liability for unrecognized tax benefits at beginning of year	$	12,596		$	10,531		$	11,267
Gross increases - unrecognized tax benefits in prior periods	—			30			55
Gross increases - current period unrecognized tax benefits	1,682			2,756			3,279
Gross decreases - unrecognized tax benefits in prior periods	—			(463		)	—
Gross decreases - audit settlement during year	(3,027		)	(77		)	(2,515		)
Gross decreases - expiration of audit statute of limitations	(694		)	(181		)	(1,555		)
Gross liability for unrecognized tax benefits at end of year	$	10,557		$	12,596		$	10,531

EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Computation of Earnings Per Share

The computation of earnings per share from operations is as follows:



	For the Year Ended December 31,
In thousands, except per share data	2015			2014			2013
Numerator
Numerator for basic and diluted earnings per common share - net income attributable
to Wabtec shareholders	$	398,628		$	351,680		$	292,235
Less: dividends declared - common shares and non-vested restricted stock	(26,963		)	(19,246		)	(12,644		)
Undistributed earnings	371,665			332,434			279,591
Percentage allocated to common shareholders (1)	99.7		%	99.6		%	99.5		%
	370,550			331,104			278,193
Add: dividends declared - common shares	26,875			19,167			12,583
Numerator for basic and diluted earnings per common share	$	397,425		$	350,271		$	290,776
Denominator
Denominator for basic earnings per common share - weighted average shares	96,074			95,781			95,463
Effect of dilutive securities:
Assumed conversion of dilutive stock-based compensation plans	932			1,104			1,369
Denominator for diluted earnings per common share - adjusted weighted average
shares and assumed conversion	97,006			96,885			96,832
Net income per common share attributable to Wabtec shareholders
Basic	$	4.14		$	3.66		$	3.05
Diluted	$	4.10		$	3.62		$	3.01



(1) Basic weighted-average common shares outstanding	96,074		95,781		95,463
Basic weighted-average common shares outstanding and non-vested restricted
stock expected to vest	96,388		96,175		95,932
Percentage allocated to common shareholders	99.7	%	99.6	%	99.5	%

STOCK-BASED COMPENSATION PLANS (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Option Activity

The following table summarizes the Company’s stock option activity and related information for the 2011 Plan, the 2000 Plan and Directors Plan for the years ended December 31:



	Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic value (in thousands)
Outstanding at December 31, 2012	1,465,678		$	20.24	6.3	$	34,487
Granted	116,392		48.29			3,024
Exercised	(344,806	)	14.98			(20,444		)
Canceled	(4,402	)	26.61			(210		)
Outstanding at December 31, 2013	1,232,862		$	24.36	6.1	$	61,530
Granted	81,552		73.20			1,116
Exercised	(163,786	)	20.37			(10,895		)
Canceled	(3,070	)	52.73			(105		)
Outstanding at December 31, 2014	1,147,558		$	28.33	5.5	$	67,205
Granted	84,675		87.35			1,375
Exercised	(124,156	)	26.70			(5,516		)
Canceled	(10,754	)	65.22			(64		)
Outstanding at December 31, 2015	1,097,323		$	32.70	4.8	$	42,154
Exercisable at December 31, 2015	863,157		$	23.71	4.0	$	40,920

Stock Options Outstanding

Options outstanding at December 31, 2015 were as follows:



	Number of Options	Weighted Average Exercise Price of Options		Weighted Average Remaining Contractual	Number of Options Currently	Weighted Average Exercise Price of Options Currently
Range of exercise prices	Outstanding	Outstanding		Life	Exercisable	Exercisable
Under $15.00	206,500	$	14.50	3.1	206,500	$	14.50
15.00 - 23.00	345,048	18.20		2.9	345,048	18.20
23.00 - 30.00	165,617	28.74		4.8	165,617	28.74
30.00 - 38.00	119,805	35.27		6.1	81,956	35.22
Over 38.00	260,353	67.72		8.0	64,036	55.43
	1,097,323	$	32.70		863,157	$	23.71

Schedule of Share-Based Fair Value of Each Option Grant Weighted-Average Assumptions

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions:



	For the year ended December 31,
	2015			2014			2013
Dividend yield	0.14		%	0.11		%	0.21		%
Risk-free interest rate	1.8		%	2.2		%	1.4		%
Stock price volatility	27.3		%	33.0		%	43.8		%
Expected life (years)	5.0			5.0			5.0
Weighted average fair value of options granted during the year	$	24.41		$	22.82		$	17.60

Restricted Stock Activity and Incentive Stock Awards Activity



	Restricted Stock and Units		Incentive Stock Awards		Weighted Average Grant Date Fair Value
Outstanding at December 31, 2012	546,774		1,329,078		$	26.69
Granted	173,887		200,090		48.62
Vested	(204,494	)	(570,918	)	20.86
Adjustment for incentive stock awards expected to vest	—		91,694		33.49
Canceled	(6,038	)	(6,350	)	26.98
Outstanding at December 31, 2013	510,129		1,043,594		$	35.27
Granted	150,886		140,240		73.68
Vested	(218,502	)	(458,536	)	29.83
Adjustment for incentive stock awards expected to vest	—		74,680		47.56
Canceled	(3,970	)	(8,370	)	48.50
Outstanding at December 31, 2014	438,543		791,608		$	47.97
Granted	113,945		126,050		87.90
Vested	(182,776	)	(433,932	)	37.76
Adjustment for incentive stock awards expected to vest	—		65,666		57.57
Canceled	(12,827	)	(7,754	)	67.05
Outstanding at December 31, 2015	356,885		541,638		$	65.89

OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss were:



	December 31,
In thousands	2015			2014
Foreign currency translation gain	$	(227,349	)	$	(94,450	)
Unrealized loss on interest rate swap contracts, net of tax of $1,815 and $1,357	(2,987		)	(2,243		)
Pension and post-retirement benefit plans, net of tax of $(18,042) and $(28,321)	(46,383		)	(62,793		)
Total accumulated other comprehensive loss	$	(276,719	)	$	(159,486	)

Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax

The changes in accumulated other comprehensive loss by component, net of tax, for the year-ended December 31, 2015 are as follows:



	Foreign currency			Derivative			Pension and post retirement
In thousands	translation			contracts			benefits plans			Total
Balance at December 31, 2014	$	(94,450	)	$	(2,243	)	$	(62,793	)	$	(159,486	)
Other comprehensive income before reclassifications	(132,899		)	(1,972		)	14,586			(120,285		)
Amounts reclassified from accumulated other
comprehensive income	—			1,228			1,824			3,052
Net current period other comprehensive income	(132,899		)	(744		)	16,410			(117,233		)
Balance at December 31, 2015	$	(227,349	)	$	(2,987	)	$	(46,383	)	$	(276,719	)

Reclassifications Out of Accumulated Other Comprehensive Loss

Reclassifications out of accumulated other comprehensive loss for the year-ended December 31, 2015 are as follows:



	Amount reclassified from accumulated other			Affected line item in the Condensed Consolidated
In thousands	comprehensive income			Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(2,087	)	Cost of sales
Amortization of net loss (gain)	4,766			Cost of sales
	2,679			Income from Operations
	(855		)	Income tax expense
	$	1,824		Net income
Derivative contracts
Realized loss on derivative contracts	1,803			Interest expense, net
	(575		)	Income tax expense
	$	1,228		Net income

OPERATING LEASES (Tables)

12 Months Ended

Dec. 31, 2015

Leases [Abstract]

Future Minimum Rental Payments Under Operating Leases

Future minimum rental payments under operating leases with remaining non-cancelable terms in excess of one year are as follows:



	Real
In thousands	Estate		Equipment		Total
2016	$	16,298	$	1,808	$	18,106
2017	12,828		1,391		14,219
2018	10,382		1,107		11,489
2019	9,171		701		9,872
2020	8,522		590		9,112
2021 and after	34,848		170		35,018

WARRANTIES (Tables)

12 Months Ended

Dec. 31, 2015

Product Warranties Disclosures [Abstract]

Changes in Product Warranty Reserve

The following table reconciles the changes in the Company’s product warranty reserve as follows:



	For the year ended December 31,
In thousands	2015			2014
Balance at beginning of period	$	87,849		$	60,593
Warranty expense	35,418			34,110
Acquisitions	787			14,375
Warranty claim payments	(29,441		)	(19,570		)
Foreign currency impact/other	(2,549		)	(1,659		)
Balance at end of period	$	92,064		$	87,849

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Liabilities Carried at Fair Value Measured on Recurring Basis



			Fair Value Measurements at December 31, 2015 Using
	Total Carrying Value at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
In thousands	2015		(Level 1)		(Level 2)		(Level 3)
Interest rate swap agreements	4,474		—		4,474		—
Total	$	4,474	$	—	$	4,474	$	—



			Fair Value Measurements at December 31, 2014 Using
	Total Carrying Value at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
In thousands	2014		(Level 1)		(Level 2)		(Level 3)
Interest rate swap agreements	3,351		—		3,351		—
Total	$	3,351	$	—	$	3,351	$	—

Estimated Fair Values and Related Carrying Values of Financial Instruments

The estimated fair values and related carrying values of the Company’s financial instruments are as follows:



	December 31, 2015				December 31, 2014
	Carry		Fair		Carry		Fair
In thousands	Value		Value		Value		Value
Interest rate swap agreements	$	4,474	$	4,474	$	3,351	$	3,351
4.375% Senior Notes	250,000		254,075		250,000		260,000

SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Segment Financial Information



Segment financial information for 2015 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	2,054,715	$	1,253,283	$	—		$	3,307,998
Intersegment sales/(elimination)	35,372		10,895		(46,267		)	—
Total sales	$	2,090,087	$	1,264,178	$	(46,267	)	$	3,307,998
Income (loss) from operations	$	482,640	$	150,988	$	(26,061	)	$	607,567
Interest expense and other, net	—		—		(22,199		)	(22,199		)
Income (loss) from operations before income taxes	$	482,640	$	150,988	$	(48,260	)	$	585,368
Depreciation and amortization	$	36,834	$	26,196	$	1,704		$	64,734
Capital expenditures	24,715		22,996		1,717			49,428
Segment assets	2,766,798		2,221,027		(1,687,490		)	3,300,335

Segment financial information for 2014 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	1,731,477	$	1,312,977	$	—		$	3,044,454
Intersegment sales/(elimination)	36,185		7,358		(43,543		)	$	—
Total sales	$	1,767,662	$	1,320,335	$	(43,543	)	$	3,044,454
Income (loss) from operations	$	402,456	$	147,821	$	(23,168	)	$	527,109
Interest expense and other, net	—		—		(19,254		)	(19,254		)
Income (loss) from operations before income taxes	$	402,456	$	147,821	$	(42,422	)	$	507,855
Depreciation and amortization	$	34,579	$	24,956	$	1,726		$	61,261
Capital expenditures	22,913		22,859		1,890			47,662
Segment assets	2,516,645		2,024,312		(1,237,116		)	3,303,841



Segment financial information for 2013 is as follows:
					Corporate
	Freight		Transit		Activities and
In thousands	Segment		Segment		Elimination			Total
Sales to external customers	$	1,398,103	$	1,168,289	$	—		$	2,566,392
Intersegment sales/(elimination)	25,463		6,992		(32,455		)	—
Total sales	$	1,423,566	$	1,175,281	$	(32,455	)	$	2,566,392
Income (loss) from operations	$	309,133	$	143,634	$	(15,457	)	$	437,310
Interest expense and other, net	—		—		(16,223		)	(16,223		)
Income (loss) from operations before income taxes	$	309,133	$	143,634	$	(31,680	)	$	421,087
Depreciation and amortization	$	30,645	$	19,103	$	1,445		$	51,193
Capital expenditures	22,020		17,119		2,099			41,238
Segment assets	2,258,773		1,706,829		(1,143,605		)	2,821,997

Geographic Area Data



	Net Sales						Long-Lived Assets
In thousands	2015		2014		2013		2015		2014		2013
United States	$	1,754,924	$	1,537,002	$	1,336,604	$	171,362	$	158,913	$	150,952
United Kingdom	368,505		362,855		297,139		63,694		62,305		43,733
Canada	204,674		175,561		167,417		4,876		5,462		6,442
Mexico	190,034		174,218		128,184		8,839		7,812		5,862
China	100,586		101,889		49,952		12,256		12,788		7,863
Germany	92,422		86,792		54,869		31,642		33,441		13,599
Australia	86,809		113,668		141,056		8,424		6,505		5,033
Brazil	84,595		83,906		78,532		9,318		5,074		1,031
France	45,565		41,469		37,925		7,194		7,686		8,437
Italy	38,164		42,865		42,702		15,170		17,913		21,374
Netherlands	25,869		19,452		9,921		7,506		10,201		2,459
Other international	315,851		304,777		222,091		12,912		11,011		9,293
Total	$	3,307,998	$	3,044,454	$	2,566,392	$	353,193	$	339,111	$	276,078

Sales by Product

Sales by product are as follows:



In thousands	2015		2014		2013
Specialty Products & Electronics	$	1,733,881	$	1,393,955	$	1,041,771
Brake Products	627,552		662,336		567,730
Remanufacturing, Overhaul & Build	606,624		618,885		655,387
Other Transit Products	189,581		201,913		204,115
Other	150,360		167,365		97,389
Total sales	$	3,307,998	$	3,044,454	$	2,566,392

OTHER INCOME (EXPENSE) (Tables)

12 Months Ended

Dec. 31, 2015

Other Income and Expenses [Abstract]

Components of Other Income (Expense)

The components of other expense are as follows:



	For the year ended December 31,
In thousands	2015			2014			2013
Foreign currency (loss)	$	(4,659	)	$	(2,445	)	$	(3,512	)
Other miscellaneous (expense) income	(652		)	765			2,630
Total other (expense), net	$	(5,311	)	$	(1,680	)	$	(882	)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Selected Quarterly Financial Data [Abstract]

Selected Quarterly Financial Data



	First		Second		Third		Fourth
In thousands, except per share data	Quarter		Quarter		Quarter		Quarter
2015
Net sales	$	818,594	$	847,028	$	809,527	$	832,849
Gross profit	255,355		267,764		257,069		267,628
Income from operations	148,420		155,860		152,078		151,209
Net income attributable to Wabtec shareholders	96,164		101,504		99,181		101,779
Basic earnings from operations per common share (1)	$	1.00	$	1.05	$	1.03	$	1.06
Diluted earnings from operations per common share (1)	$	0.99	$	1.04	$	1.02	$	1.05
2014
Net sales	$	695,249	$	731,068	$	797,271	$	820,866
Gross profit	209,569		224,658		247,458		254,297
Income from operations	121,846		132,323		135,977		136,963
Net income attributable to Wabtec shareholders	80,134		88,705		90,155		92,686
Basic earnings from operations per common share (1)	$	0.84	$	0.92	$	0.94	$	0.96
Diluted earnings from operations per common share (1)	$	0.83	$	0.91	$	0.93	$	0.95

BUSINESS - Additional Information (Detail)	12 Months Ended
BUSINESS - Additional Information (Detail)	Dec. 31, 2015 Country
Product Information [Line Items]
Number of countries where product found	100
Number of countries company operates	20
Sales Revenue Outside United States \| Customer Concentration Risk
Product Information [Line Items]
Revenues from customers outside the U.S.	47.00%

PROPOSED TRANSACTION WITH FAIVELEY TRANSPORT S.A. Narrative (Details) € / shares in Units, $ in Thousands, € in Millions	Jul. 27, 2015 USD ($)	Jul. 27, 2015 USD ($) employee country	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 USD ($)	Oct. 06, 2015	Jul. 27, 2015 € / shares	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Convertible preferred stock, conversion period	3 years
Deposit in escrow				$ 202,942			$ 0
Business acquisition consolidated revenue after acquisition		$ 4,500,000
Faiveley Transport
Business Acquisition [Line Items]
Annual sales of Faiveley		$ 1,200,000
Number of employees (more than) \| employee		5,700
Number of countries Faiveley operates in \| country		24
Percentage of voting interests in Faiveley					51.00%
Purchase price per share (in euros per share) \| € / shares						€ 100
Percentage of business acquisition consideration payable in cash						25.00%
Percentage of business acquisition consideration payable in preferred stock						75.00%
Preferred stock annual dividend rate	1.00%
Number of common shares issued for conversion of one acquiree common share						1.125
Minority interests percentage for delisting of acquiree company (less than)		5.00%
Business combination, consideration transferred	$ 1,800,000
Deposit in escrow \| €			€ 186.9

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail) $ / shares in Units, $ in Thousands		12 Months Ended
	May 14, 2013 $ / shares shares	Dec. 31, 2015 USD ($) derivative_contract $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($)	Jun. 05, 2014 USD ($)	Jul. 30, 2013 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Common stock, shares authorized (in shares) \| shares	200,000,000	200,000,000	200,000,000
Stock split ratio	2
Percentage of stock dividend	100.00%
Shares issued during stock split \| shares	66,200,000
Common stock, par value (in dollars per share) \| $ / shares	$ 0.01	$ 0.01	$ 0.01
Allowance for doubtful accounts		$ 5,600	$ 6,300
Product warranty expense		35,400	34,100	$ 22,900
Accrued product warranty		92,064	87,849	60,593
Interest rate swap agreement, current liability		4,474	3,351
Foreign exchange transaction losses recognized in other (expense) income, net		4,659	2,445	3,512
Unbilled accounts receivable		103,814	187,762
Customer deposits		106,127	111,797
Provisions for loss contracts		11,800	7,100
Deferred pre-production costs		30,300	24,900
Research and development costs		$ 71,213	61,886	$ 46,289
Percentage of work force covered by collective bargaining agreements		30.00%
Agreements Expiring In 2015
Summary Of Significant Accounting Policies [Line Items]
Percentage of work force covered by collective bargaining agreements		26.00%
Foreign Exchange Forward
Summary Of Significant Accounting Policies [Line Items]
Interest rate swaps held \| derivative_contract		0
Forward Starting Interest Rate Swap Agreement
Summary Of Significant Accounting Policies [Line Items]
Interest rate swaps held \| derivative_contract		2
Interest rate swap agreements, notional amount		$ 150,000			$ 150,000	$ 150,000
Interest rate swap agreement, current liability		4,474	$ 3,351
Interest rate swap, accumulated other comprehensive loss		$ 2,700

ACQUISITIONS - Additional Information (Detail) - USD ($) $ in Thousands								12 Months Ended
	Oct. 30, 2015	Oct. 08, 2015	Jun. 17, 2015	Feb. 04, 2015	Sep. 03, 2014	Aug. 19, 2014	Jun. 06, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash								$ 129,550	$ 300,437	$ 223,454
Goodwill								858,532	862,338
Deposit in escrow								202,942	0
Acquired intangible assets									142,100
Goodwill and other intangible assets									297,400
Trade Names
Business Acquisition [Line Items]
Acquired intangible assets									27,400
Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets									$ 106,000
Average useful life, years									20 years
Noncompete Agreements
Business Acquisition [Line Items]
Acquired intangible assets									$ 2,400
Average useful life, years									5 years
Order or Production Backlog
Business Acquisition [Line Items]
Acquired intangible assets									$ 6,300
2015 Acquisitions
Business Acquisition [Line Items]
Deposit in escrow								$ 36,700
Relay Monitoring Systems PTY Ltd.
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash	$ 18,700
Goodwill	7,584
Acquired intangible assets	10,426
Goodwill and other intangible assets	$ 18,710
RCL
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash				$ 78,000
Goodwill				14,940
Acquired intangible assets				40,403
Goodwill and other intangible assets				$ 78,011
C2CE
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash					$ 25,500
Goodwill					15,896
Acquired intangible assets					3,654
Goodwill and other intangible assets					$ 25,479
Metalocaucho
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash			$ 23,400
Goodwill			12,141
Acquired intangible assets			7,649
Goodwill and other intangible assets			$ 23,360
Track IQ
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash		$ 9,100
Goodwill		6,440
Acquired intangible assets		3,246
Goodwill and other intangible assets		$ 9,103
Fandstan Electric Group Ltd
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash							$ 199,400
Goodwill							62,476
Acquired intangible assets							50,598
Goodwill and other intangible assets							$ 199,404
Dia-Frag
Business Acquisition [Line Items]
Business acquisition, net purchase price, net of cash						$ 70,600
Goodwill						35,850
Acquired intangible assets						26,150
Goodwill and other intangible assets						$ 70,641
Business acquisitions by Freight and Transit Segments
Business Acquisition [Line Items]
Goodwill									$ 155,300

ACQUISITIONS - Summary of Preliminary Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Oct. 30, 2015	Oct. 08, 2015	Jun. 17, 2015	Feb. 04, 2015	Dec. 31, 2014	Sep. 03, 2014	Aug. 19, 2014	Jun. 06, 2014
Business Acquisition [Line Items]
Goodwill	$ 858,532					$ 862,338
Other intangible assets						142,100
Net assets acquired						$ 297,400
Relay Monitoring Systems PTY Ltd.
Business Acquisition [Line Items]
Current assets		$ 3,605
Property, plant & equipment		1,378
Goodwill		7,584
Other intangible assets		10,426
Total assets acquired		22,993
Total liabilities assumed		(4,283)
Net assets acquired		$ 18,710
Track IQ
Business Acquisition [Line Items]
Current assets			$ 660
Property, plant & equipment			187
Goodwill			6,440
Other intangible assets			3,246
Total assets acquired			10,533
Total liabilities assumed			(1,430)
Net assets acquired			$ 9,103
RCL
Business Acquisition [Line Items]
Current assets					$ 16,421
Property, plant & equipment					11,983
Goodwill					14,940
Other intangible assets					40,403
Total assets acquired					83,747
Total liabilities assumed					(5,736)
Net assets acquired					$ 78,011
C2CE
Business Acquisition [Line Items]
Current assets							$ 9,812
Property, plant & equipment							1,853
Goodwill							15,896
Other intangible assets							3,654
Total assets acquired							31,215
Total liabilities assumed							(5,736)
Net assets acquired							$ 25,479
Metalocaucho
Business Acquisition [Line Items]
Current assets				$ 10,906
Property, plant & equipment				1,510
Goodwill				12,141
Other intangible assets				7,649
Other assets				114
Total assets acquired				32,320
Total liabilities assumed				(8,960)
Net assets acquired				$ 23,360
Dia-Frag
Business Acquisition [Line Items]
Current assets								$ 12,158
Property, plant & equipment								13,749
Goodwill								35,850
Other intangible assets								26,150
Other assets								66
Total assets acquired								87,973
Total liabilities assumed								(17,332)
Net assets acquired								$ 70,641
Fandstan
Business Acquisition [Line Items]
Current assets									$ 124,280
Property, plant & equipment									67,948
Goodwill									62,476
Other intangible assets									50,598
Other assets									216
Total assets acquired									305,518
Total liabilities assumed									(106,114)
Net assets acquired									$ 199,404

ACQUISITIONS - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Combinations [Abstract]
Net sales									$ 3,340,294	$ 3,309,365
Gross profit									1,061,080	1,022,391
Net income attributable to Wabtec shareholders									$ 400,692	$ 380,076
Diluted earnings per share, As reported (in dollars per share)	$ 1.05	$ 1.02	$ 1.04	$ 0.99	$ 0.95	$ 0.93	$ 0.91	$ 0.83	$ 4.10	$ 3.62	$ 3.01
Diluted earnings per share, Pro forma (in dollars per share)									$ 4.13	$ 3.91

SUPPLEMENTAL CASH FLOW DISCLOSURES - Schedule of Cash Flow Disclosures (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]
Interest paid during the year	$ 19,372	$ 18,445	$ 15,601
Income taxes paid during the year, net of amount refunded	147,958	125,212	137,945
Fair value of assets acquired	155,274	454,596	267,306
Liabilities assumed	20,409	124,005	44,846
Cash paid	134,865	330,591	222,460
Less cash acquired	5,681	30,154	671
Net cash paid	$ 129,184	$ 300,437	$ 221,789

SUPPLEMENTAL CASH FLOW DISCLOSURES - Narrative (Detail) - USD ($)	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Feb. 09, 2016	Nov. 09, 2015
Subsequent Event [Line Items]
Stock repurchase program, shares authorized amount	$ 316,700,000									$ 350,000,000
New share repurchase authorization, remaining amount	$ 33,300,000
Number of shares repurchased (in shares)	4,652,000	237,027	0	0	0	124,600	194,700	27,500
Average price of shares repurchased (in dollars per share)	$ 78.56	$ 94.23				$ 81.33	$ 74.33	$ 78.22
Subsequent Event
Subsequent Event [Line Items]
Stock repurchase program, shares authorized amount									$ 350,000,000

INVENTORIES - Components of Inventory, Net of Reserves (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 180,128	$ 222,059
Work-in-progress	171,217	154,094
Inventory, Finished Goods, Net of Reserves	127,229	134,796
Total inventories	$ 478,574	$ 510,949

PROPERTY, PLANT & EQUIPMENT - Major Classes of Depreciable Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Machinery and equipment	$ 502,086	$ 476,467
Buildings and improvements	170,668	180,227
Land and improvements	41,671	23,440
Locomotive leased fleet	2,870	2,900
PP&E	717,295	683,034
Accumulated depreciation	(364,102)	(343,923)
Property, plant and equipment, net	$ 353,193	$ 339,111	$ 276,078

PROPERTY, PLANT & EQUIPMENT - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 43.1	$ 38.8	$ 33.5

PROPERTY, PLANT & EQUIPMENT - Estimated Useful Lives of Property Plant and Equipment (Detail)	12 Months Ended
	Dec. 31, 2015
Land improvements \| Minimum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	10 years
Land improvements \| Maximum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	20 years
Building and improvements \| Minimum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	20 years
Building and improvements \| Maximum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	40 years
Machinery and equipment \| Minimum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	3 years
Machinery and equipment \| Maximum
Property Plant And Equipment [Line Items]
Estimated useful lives in years	15 years

INTANGIBLES - Change in the Carrying Amount of Goodwill by Segment (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Goodwill [Line Items]
Balance at December 31, 2014	$ 862,338
Adjustment to preliminary purchase allocation	(5,266)
Acquisitions	41,104
Foreign currency impact	(39,644)
Balance at December 31, 2015	858,532
Freight Segment
Goodwill [Line Items]
Balance at December 31, 2014	515,067
Adjustment to preliminary purchase allocation	(1,210)
Acquisitions	28,964
Foreign currency impact	(10,856)
Balance at December 31, 2015	531,965
Transit Segment
Goodwill [Line Items]
Balance at December 31, 2014	347,271
Adjustment to preliminary purchase allocation	(4,056)
Acquisitions	12,140
Foreign currency impact	(28,788)
Balance at December 31, 2015	$ 326,567

INTANGIBLES - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
INTANGIBLES - Narrative (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Intangible Assets Disclosure [Line Items]
Trademarks	$ 167,400	$ 170,100
Intangible assets, amortization expense	$ 21,663	$ 22,448	$ 17,710
Patents
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	10 years
Customer Relationships
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	16 years
Intellectual Property
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	14 years

INTANGIBLES - Intangible Assets Other Than Goodwill and Trademarks (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	$ 273,154	$ 252,705
Patents And Other
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	11,403	14,722
Intangible assets, accumulated amortization	40,936	39,780
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	261,751	237,983
Intangible assets, accumulated amortization	$ 70,493	$ 56,684

INTANGIBLES - Amortization Expense (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2016	$ 20,775
2017	18,889
2018	18,146
2019	17,478
2020	$ 17,018

LONG-TERM DEBT - Schedule of Long-Term Debt (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Capital Leases	$ 727,000	$ 1,195,000
Total	695,727,000	521,195,000
Less - current portion	433,000	792,000
Long-term portion	695,294,000	520,403,000
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	445,000,000	270,000,000
4.375% Senior Notes, due 2023
Debt Instrument [Line Items]
Long-term debt	$ 250,000,000	$ 250,000,000
Debt instrument, interest rate, stated percentage	4.375%	4.375%

LONG-TERM DEBT - Narrative (Detail)	12 Months Ended
LONG-TERM DEBT - Narrative (Detail)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 05, 2014 USD ($)	Jul. 30, 2013 USD ($)
Forward Starting Interest Rate Swap Agreement
Debt Instrument [Line Items]
Interest rate swap agreements, notional amount	$ 150,000,000		$ 150,000,000	$ 150,000,000
Interest rate on notional value	1.415%		2.56%
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 445,000,000	$ 270,000,000
2013 Refinancing Credit Agreement
Debt Instrument [Line Items]
Deferred financing cost	$ 1,000,000
Debt instrument, interest rate, effective percentage	0.50%
Debt instrument basis points spread on variable rate	1.00%
Minimum interest expense coverage ratio	3.0
Maximum debt to cash flow ratio		3.25
2013 Refinancing Credit Agreement \| Base Rate
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.00%
2013 Refinancing Credit Agreement \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.00%
2013 Refinancing Credit Agreement \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.75%
2013 Refinancing Credit Agreement \| Alternative Rate
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.75%
2013 Refinancing Credit Agreement \| Alternative Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.75%
2013 Refinancing Credit Agreement \| Alternative Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	1.75%
Long-term debt, percentage bearing variable interest rate	1.10%
2013 Refinancing Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 800,000,000
Credit facility loan term, years	5 years
Line of credit facility, amount currently available	$ 333,100,000
2013 Refinancing Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 21,900,000
2011 Refinancing Credit Agreement
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	1.00%
2011 Refinancing Credit Agreement \| LIBOR
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	1.00%
2011 Refinancing Credit Agreement \| Base Rate
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.00%
2011 Refinancing Credit Agreement \| Base Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.00%
2011 Refinancing Credit Agreement \| Base Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.75%
2011 Refinancing Credit Agreement \| Alternative Rate \| Minimum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	0.75%
2011 Refinancing Credit Agreement \| Alternative Rate \| Maximum
Debt Instrument [Line Items]
Debt instrument basis points spread on variable rate	1.75%
2011 Refinancing Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, amount	$ 600,000,000
Credit facility loan term, years	5 years
Deferred financing cost	$ 1,900,000
4.375% Senior Notes, due 2023
Debt Instrument [Line Items]
Deferred financing cost	2,600,000
Long-term debt	$ 250,000,000	$ 250,000,000
Debt instrument, interest rate, stated percentage	4.375%	4.375%
6.875% Senior Notes, Due 2013
Debt Instrument [Line Items]
Long-term debt	$ 150,000,000.0
Debt instrument, interest rate, stated percentage	6.875%

LONG-TERM DEBT - Principal Repayments of Debt and Capital Lease (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Disclosure [Abstract]
2016	$ 464
2017	128
2018	445,068
2019	29
2020	11
Future years	250,027
Total	$ 695,727	$ 521,195

EMPLOYEE BENEFIT PLANS - Obligations and Funded Status (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Noncurrent liabilities				$ (55,765)	$ (81,908)
U.S. Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	$ (50,154)
Service cost	(380)	$ (334)	$ (432)
Interest cost	(1,914)	(2,070)	(1,960)
Employee contributions	0	0
Plan curtailments and amendments	0	0
Obligation at end of year	(46,120)	(50,154)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	41,503
Employee contributions	0	0
Fair value of plan assets at end of year	37,640	41,503
Benefit obligations	(50,154)	(50,154)		(46,120)	(50,154)
Funded status				(8,480)	(8,651)
Noncurrent assets				0	0
Current liabilities				0	0
Noncurrent liabilities				(8,480)	(8,651)
Net amount recognized				(8,480)	(8,651)
Initial net obligation				0	0
Prior service cost				(11)	(13)
Net actuarial loss				(23,305)	(24,665)
Net amount recognized				(23,316)	(24,678)
International Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(219,225)
Service cost	(2,015)	(2,138)	(2,035)
Interest cost	(7,091)	(8,102)	(6,661)
Employee contributions	(6,200)
Obligation at end of year	(195,311)	(219,225)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	182,254
Employee contributions	6,200
Fair value of plan assets at end of year	168,069	182,254
Benefit obligations	(219,225)	(219,225)		(195,311)	(219,225)
Funded status				(27,242)	(36,971)
Noncurrent assets				5,554	2,424
Current liabilities				(362)	(398)
Noncurrent liabilities				(32,434)	(38,997)
Net amount recognized				(27,242)	(36,971)
Initial net obligation				(275)	(449)
Prior service cost				(80)	(157)
Net actuarial loss				(41,782)	(49,180)
Net amount recognized				(42,137)	(49,786)
U.S. Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(31,872)
Service cost	(9)	(29)	(47)
Interest cost	(1,233)	(1,155)	(1,113)
Obligation at end of year	(12,959)	(31,872)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Benefit obligations	(31,872)	(31,872)		(12,959)	(31,872)
Funded status				(12,959)	(31,872)
Current liabilities				(1,197)	(1,305)
Noncurrent liabilities				(11,762)	(30,567)
Net amount recognized				(12,959)	(31,872)
Initial net obligation				0	0
Prior service cost				22,837	8,993
Net actuarial loss				(22,202)	(26,096)
Net amount recognized				635	(17,103)
International Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(3,905)
Service cost	(38)	(47)	(48)
Interest cost	(129)	(173)	(172)
Obligation at end of year	(3,290)	(3,905)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Benefit obligations	(3,905)	(3,905)		(3,290)	(3,905)
Funded status				(3,290)	(3,905)
Current liabilities				(181)	(212)
Noncurrent liabilities				(3,109)	(3,693)
Net amount recognized				(3,290)	(3,905)
Initial net obligation				0	0
Prior service cost				21	32
Net actuarial loss				351	422
Net amount recognized				372	454
Change In Projected Benefit Obligation \| U.S. Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(50,154)	(47,090)
Service cost	(381)	(334)
Interest cost	(1,914)	(2,070)
Benefits paid	3,628	5,083
Acquisition	0	0
Actuarial gain (loss)	2,701	(5,743)
Effect of currency rate changes	0	0
Obligation at end of year	(46,120)	(50,154)	(47,090)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Benefits paid	(3,628)	(5,083)
Acquisition	0	0
Effect of currency rate changes	0	0
Benefit obligations	(50,154)	(47,090)	(47,090)	(46,120)	(50,154)
Change In Projected Benefit Obligation \| International Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(219,225)	(170,931)
Service cost	(2,015)	(2,138)
Interest cost	(7,091)	(8,102)
Employee contributions	(503)	(385)
Plan curtailments and amendments	0	(473)
Benefits paid	8,028	7,616
Acquisition	0	(39,381)
Actuarial gain (loss)	3,084	(23,335)
Effect of currency rate changes	22,411	16,958
Obligation at end of year	(195,311)	(219,225)	(170,931)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employee contributions	503	385
Benefits paid	(8,028)	(7,616)
Acquisition	0	(39,381)
Effect of currency rate changes	22,411	16,958
Benefit obligations	(219,225)	(170,931)	(170,931)	(195,311)	(219,225)
Change In Projected Benefit Obligation \| U.S. Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(31,872)	(25,860)
Service cost	(9)	(29)
Interest cost	(1,233)	(1,155)
Plan amendments	16,140	0
Benefits paid	1,478	978
Actuarial gain (loss)	2,537	(5,806)
Effect of currency rate changes	0	0
Obligation at end of year	(12,959)	(31,872)	(25,860)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Benefits paid	(1,478)	(978)
Effect of currency rate changes	0	0
Benefit obligations	(31,872)	(25,860)	(25,860)	$ (12,959)	(31,872)
Change In Projected Benefit Obligation \| International Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Obligation at beginning of year	(3,905)	(3,871)
Service cost	(38)	(47)
Interest cost	(128)	(173)
Plan amendments	0	0
Benefits paid	125	66
Actuarial gain (loss)	37	(238)
Effect of currency rate changes	619	358
Obligation at end of year		(3,905)	(3,871)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Benefits paid	(125)	(66)
Effect of currency rate changes	619	358
Benefit obligations	(3,905)	(3,871)	(3,871)		$ (3,905)
Change In Plan Assets \| U.S. Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Employee contributions	0	0
Benefits paid	3,628	5,083
Acquisition	0	0
Effect of currency rate changes	0	0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	41,503	42,980
Actual return on plan assets	(235)	3,606
Employer contributions	0	0
Employee contributions	0	0
Benefits paid	(3,628)	(5,083)
Acquisition	0	0
Effect of currency rate changes	0	0
Fair value of plan assets at end of year	37,640	41,503	42,980
Change In Plan Assets \| International Defined Benefit Pension Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Employee contributions	(503)	(385)
Benefits paid	8,028	7,616
Acquisition	0	23,444
Effect of currency rate changes	(19,978)	(14,063)
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	182,254	156,705
Actual return on plan assets	6,572	17,363
Employer contributions	6,746	6,036
Employee contributions	503	385
Benefits paid	(8,028)	(7,616)
Acquisition	0	23,444
Effect of currency rate changes	(19,978)	(14,063)
Fair value of plan assets at end of year	168,069	182,254	156,705
Change In Plan Assets \| U.S. Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefits paid	1,478	978
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Employer contributions	1,478	978
Benefits paid	(1,478)	(978)
Fair value of plan assets at end of year	0	0	0
Change In Plan Assets \| International Post Retirement
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefits paid	125	162
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Employer contributions	125	162
Benefits paid	(125)	(162)
Fair value of plan assets at end of year	$ 0	$ 0	$ 0

EMPLOYEE BENEFIT PLANS - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Number of shares held on behalf of participants	632,523	670,322
Market value of the shares held on behalf of participants	$ 45,000	$ 58,200
United States, Canadian and German Pension Plans \| Equity Security Funds
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation	50.00%
United States, Canadian and German Pension Plans \| Debt Security Funds And Other
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation	50.00%
U.S. Defined Benefit Pension Plans
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Aggregate accumulated benefit obligation	$ 45,200	49,300
Contribution to the plan	0	0
International Defined Benefit Pension Plans
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Aggregate accumulated benefit obligation	190,200	$ 213,400
Contribution to the plan	$ 6,200
United Kingdom Defined Benefit Pension Plans \| Equity Security Funds
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation	62.50%
United Kingdom Defined Benefit Pension Plans \| Debt Security Funds And Other
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation	37.50%
U.S. Post Retirement
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Assumed health care cost trend rate, initial rate	6.60%
Assumed health care cost trend rate, ultimate rate	4.50%
Assumed health care cost trend rate, year	2027
Effect of 1% point increase on service and interest cost components	$ 189
Effect of 1% point increase on accumulated postretirement benefit obligation	46
Effect of 1% point decrease on service and interest cost components	158
Effect of 1% point decrease on accumulated postretirement benefit obligation	$ 42
International Post Retirement
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Assumed health care cost trend rate, initial rate	6.62%
Assumed health care cost trend rate, ultimate rate	4.50%
Assumed health care cost trend rate, year	2027
Effect of 1% point increase on service and interest cost components	$ 14
Effect of 1% point increase on accumulated postretirement benefit obligation	228
Effect of 1% point decrease on service and interest cost components	13
Effect of 1% point decrease on accumulated postretirement benefit obligation	$ 206

EMPLOYEE BENEFIT PLANS - Amounts Included in Other Comprehensive Loss That are Expected to be Recognized as Components of Periodic Benefit Costs (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net transition obligation	$ 0
Prior service cost	3
Net actuarial loss	914
Total recognized in net periodic benefit cost and other comprehensive (loss) income	917
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net transition obligation	150
Prior service cost	26
Net actuarial loss	2,287
Total recognized in net periodic benefit cost and other comprehensive (loss) income	2,463
U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	(2,294)
Net actuarial loss	1,355
Total recognized in net periodic benefit cost and other comprehensive (loss) income	(939)
International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	(7)
Net actuarial loss	(30)
Total recognized in net periodic benefit cost and other comprehensive (loss) income	$ (37)

EMPLOYEE BENEFIT PLANS - Benefit Payments Expected to be Paid to Plan Participants (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2016	$ 3,399
2017	3,519
2018	3,388
2019	3,394
2020	3,372
2021 through 2025	15,820
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2016	6,939
2017	7,261
2018	7,487
2019	7,733
2020	7,854
2021 through 2025	42,040
U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
2016	1,197
2017	1,104
2018	1,078
2019	1,049
2020	1,023
2021 through 2025	4,609
International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
2016	181
2017	180
2018	188
2019	200
2020	204
2021 through 2025	$ 1,209

EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 380	$ 334	$ 432
Interest cost	1,914	2,070	1,960
Expected return on plan assets	(2,168)	(2,476)	(2,977)
Amortization of initial net obligation and prior service cost	3	23	62
Amortization of net loss (gain)	1,062	2,197	3,180
Net periodic benefit cost (credit)	1,191	2,148	2,657
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,015	2,138	2,035
Interest cost	7,091	8,102	6,661
Expected return on plan assets	(9,591)	(9,646)	(8,418)
Amortization of initial net obligation and prior service cost	212	248	270
Amortization of net loss (gain)	2,379	2,768	3,107
Settlement and curtailment losses recognized	0	(390)	3,655
Net periodic benefit cost (credit)	2,106	3,220	7,310
U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Service cost	9	29	47
Interest cost	1,233	1,155	1,113
Amortization of initial net obligation and prior service cost	(2,295)	(2,730)	(2,689)
Amortization of net loss (gain)	1,356	1,330	1,634
Net periodic benefit cost (credit)	303	(216)	105
International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Service cost	38	47	48
Interest cost	129	173	172
Amortization of initial net obligation and prior service cost	(7)	(8)	(211)
Amortization of net loss (gain)	(30)	(141)	(93)
Net periodic benefit cost (credit)	$ 130	$ 71	$ (84)

EMPLOYEE BENEFIT PLANS - Costs Recognized Under Defined Contribution Plans and Multiemployer Pension Plans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure Costs Recognized Under Defined Contribution Plans And Multiemployer Pension Plans [Abstract]
Multi-employer pension and health & welfare plans	$ 2,584	$ 2,405	$ 2,678
401(k) savings and other defined contribution plans	21,399	19,925	17,291
Total	$ 23,983	$ 22,330	$ 19,969

EMPLOYEE BENEFIT PLANS - Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Net loss arising during the year	$ 297
Effect of exchange rates	0
Amortization or curtailment recognition of prior service cost	3
Amortization or settlement recognition of net loss (gain)	1,062
Total recognized in other comprehensive income (loss)	1,362
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(2,553)
International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Net loss arising during the year	65
Effect of exchange rates	4,954
Amortization or curtailment recognition of prior service cost	0
Amortization or settlement recognition of net loss (gain)	2,379
Total recognized in other comprehensive income (loss)	7,398
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(9,504)
Post Retirement Benefit Plans \| U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Prior service credit	16,140
Net loss arising during the year	2,537
Effect of exchange rates	0
Amortization or curtailment recognition of prior service cost	(2,295)
Amortization or settlement recognition of net loss (gain)	1,356
Total recognized in other comprehensive income (loss)	17,738
Total recognized in net periodic benefit cost and other comprehensive income (loss)	17,435
Post Retirement Benefit Plans \| International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Prior service credit	0
Net loss arising during the year	37
Effect of exchange rates	(72)
Amortization or curtailment recognition of prior service cost	(7)
Amortization or settlement recognition of net loss (gain)	(30)
Total recognized in other comprehensive income (loss)	(72)
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$ (202)

EMPLOYEE BENEFIT PLANS - Pension Plan Assets by Asset Category (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 37,640	$ 41,503
U.S. Defined Benefit Pension Plans \| Equity Security Funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20,275	20,696
U.S. Defined Benefit Pension Plans \| Debt Security Funds And Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	16,441	20,034
U.S. Defined Benefit Pension Plans \| Cash and Cash Equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	924	773
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	168,069	182,254
International Defined Benefit Pension Plans \| Equity Security Funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	87,321	99,715
International Defined Benefit Pension Plans \| Debt Security Funds And Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	77,173	78,510
International Defined Benefit Pension Plans \| Cash and Cash Equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3,575	$ 4,029

EMPLOYEE BENEFIT PLANS - U.S. and International Pension Plans With Accumulated and Projected Benefit Obligations in Excess of Plan Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ (46,120)	$ (50,154)
Accumulated benefit obligation	(45,201)	(49,303)
Fair value of plan assets	37,640	41,503
Projected benefit obligation	(46,120)	(50,154)
Fair value of plan assets	37,640	41,503
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	(195,311)	(143,121)
Accumulated benefit obligation	(190,188)	(138,443)
Fair value of plan assets	168,069	104,232
Projected benefit obligation	(135,168)	(151,920)
Fair value of plan assets	$ 102,372	$ 112,526

EMPLOYEE BENEFIT PLANS - Weighted Average Assumptions Used to Develop Actuarial Present Value of Projected Benefit Obligation (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
U.S. Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.21%	3.95%	4.70%
Expected return on plan assets	5.70%	5.70%	6.20%
Rate of compensation increase	3.00%	3.00%	3.00%
International Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.56%	3.48%	4.43%
Expected return on plan assets	5.81%	5.79%	6.07%
Rate of compensation increase	3.10%	3.10%	3.59%
U.S. Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.95%	3.95%	4.70%
International Post Retirement
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.80%	3.96%	4.60%

EMPLOYEE BENEFIT PLANS - Contributions in Multiemployer Pension Plans (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Contribution Plan Disclosure [Line Items]
Contributions by the Company	$ 2,584,000	$ 2,405,000	$ 2,678,000
Percentage of contribution to the plan	5.00%
Increasing in weekly pension fund contribution rates	$ 75
Surcharge imposed	5.00%
Defined Contribution Plan
Defined Contribution Plan Disclosure [Line Items]
Surcharge imposed	10.00%
Idaho Operating Engineers Employers Pension Trust Fund
Defined Contribution Plan Disclosure [Line Items]
EIN	916075538
Plan Number	001
Pension Protection Act Zone Status			Green	Green
FIP / RP Status Pending / Implemented	No
Contributions by the Company	$ 1,820,000	1,745,000	$ 2,154,000
Surcharge Imposed	No
Expiration Dates of Collective Bargaining Agreements	Jun. 30, 2018
Automobile Mechanics Local Number Seven Hundred And One Union and Industry Pension Plan
Defined Contribution Plan Disclosure [Line Items]
EIN	366042061
Plan Number	001
Pension Protection Act Zone Status			Red	Red
FIP / RP Status Pending / Implemented	Implemented
Contributions by the Company	$ 764,000	$ 660,000	$ 524,000
Surcharge Imposed	Yes
Expiration Dates of Collective Bargaining Agreements	Dec. 11, 2017
Red Zone
Defined Contribution Plan Disclosure [Line Items]
Percentage of funds required in the critical status			65.00%
Yellow Zone
Defined Contribution Plan Disclosure [Line Items]
Percentage of funds required in the critical status			80.00%
Green Zone
Defined Contribution Plan Disclosure [Line Items]
Percentage of funds required in the critical status			80.00%

INCOME TAXES - Components of Income from Operations before Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Domestic	$ 461,394	$ 343,180	$ 285,395
Foreign	123,974	164,675	135,692
Income from operations before income taxes	$ 585,368	$ 507,855	$ 421,087

INCOME TAXES - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
INCOME TAXES - Narrative (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Undistributed earnings of foreign subsidiaries	$ 1,004,000
Valuation allowance for foreign carryforwards	12,600
State and foreign tax credit carryforwards	1,000
State net operating loss carryforwards	25,600
Gross liability for uncertain tax positions	10,557	$ 12,596	$ 10,531	$ 11,267
Unrecognized tax benefits if recognized that would affect effective tax rate	4,300	5,500
Accrued interest	2,000	1,900
Accrued penalties	200	$ 1,300
Unrecognized tax benefits subject to change within the next 12 months	$ 2,100

INCOME TAXES - Consolidated Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Current taxes, Federal	$ 141,245	$ 108,782	$ 70,459
Current taxes, State	16,072	17,091	13,173
Current taxes, Foreign	24,442	37,356	29,972
Current taxes	181,759	163,229	113,604
Deferred taxes, Federal	9,606	2,287	11,146
Deferred taxes, State	770	1,404	1,375
Deferred taxes, Foreign	(5,395)	(10,745)	2,727
Deferred taxes	4,981	(7,054)	15,248
Total provision	$ 186,740	$ 156,175	$ 128,852

INCOME TAXES - Reconciliation of Income Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	35.00%	35.00%	35.00%
State taxes	2.00%	2.20%	2.20%
Tax reserves	(0.40%)	0.30%	0.00%
Foreign	(2.10%)	(4.20%)	(3.90%)
Research and development credit	(0.40%)	(0.50%)	(0.60%)
Manufacturing deduction	(2.30%)	(1.80%)	(1.70%)
Other, net	0.10%	(0.20%)	(0.40%)
Effective rate	31.90%	30.80%	30.60%

INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Accrued expenses and reserves	$ 39,426	$ 34,167
Warranty reserve	24,544	21,123
Deferred compensation/employee benefits	24,950	21,759
Pension and postretirement obligations	15,507	26,736
Inventory	18,664	13,570
Net operating loss carry forwards	25,636	5,036
Tax credit carry forwards	959	1,078
Gross deferred income tax assets	149,686	123,469
Valuation allowance	12,623	1,818
Total deferred income tax assets	137,063	121,651
Property, plant & equipment	34,518	29,998
Intangibles	167,108	157,781
Other	2,243	144
Total deferred income tax liabilities	203,869	187,923
Total deferred income tax liabilities	$ (66,806)	$ (66,272)

INCOME TAXES - Liability for Income Taxes Associated with Uncertain Tax Positions (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross liability for uncertain tax positions at beginning of year	$ 12,596	$ 10,531	$ 11,267
Gross increases - unrecognized tax benefits in prior periods	0	30	55
Gross increases - current period unrecognized tax benefits	1,682	2,756	3,279
Gross decreases - unrecognized tax benefits in prior periods	0	(463)	0
Gross decreases - audit settlement during year	(3,027)	(77)	(2,515)
Gross decreases - expiration of audit statute of limitations	(694)	(181)	(1,555)
Gross liability for uncertain tax positions at end of year	$ 10,557	$ 12,596	$ 10,531

EARNINGS PER SHARE - Computation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Net income attributable to Wabtec shareholders	$ 101,779	$ 99,181	$ 101,504	$ 96,164	$ 92,686	$ 90,155	$ 88,705	$ 80,134	$ 398,628	$ 351,680	$ 292,235
Less: dividends declared - common shares and non-vested restricted stock									(26,963)	(19,246)	(12,644)
Undistributed earnings									$ 371,665	$ 332,434	$ 279,591
Percentage allocated to common shareholders									99.70%	99.60%	99.50%
Undistributed earnings allocated to common shareholders									$ 370,550	$ 331,104	$ 278,193
Dividends Declared Common Shares									26,875	19,167	12,583
Numerator for basic and diluted earnings per common share									$ 397,425	$ 350,271	$ 290,776
Denominator for basic earnings per common share - weighted average shares (in shares)									96,074	95,781	95,463
Assumed conversion of dilutive stock-based compensation plans (in shares)									932	1,104	1,369
Denominator for diluted earnings per common shares - adjusted weighted average shares and assumed conversion (in shares)									97,006	96,885	96,832
Basic earnings per share, As reported (in dollars per share)	$ 1.06	$ 1.03	$ 1.05	$ 1.00	$ 0.96	$ 0.94	$ 0.92	$ 0.84	$ 4.14	$ 3.66	$ 3.05
Diluted earnings per share, As reported (in dollars per share)	$ 1.05	$ 1.02	$ 1.04	$ 0.99	$ 0.95	$ 0.93	$ 0.91	$ 0.83	$ 4.10	$ 3.62	$ 3.01
Basic weighted-average common shares outstanding and non-vested restricted stock expected to vest									96,388	96,175	95,932

EARNINGS PER SHARE - Narrative (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Shares not included in computation of diluted earnings per share	13	17	12

STOCK-BASED COMPENSATION PLANS - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan term, years			10 years
Stock-based compensation expense			$ 26.0	$ 26.1	$ 24.1
Tax benefits related to the stock-based compensation plans			15.3	$ 7.6	$ 7.9
Unamortized compensation expense expected to be vested			$ 23.8
Recognized weighted average period, years			1 year 1 month 6 days
Risk-free interest rate, year			7 years
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			$ 2.2
Non-Vested Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			6.2
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense			$ 2.5
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period			3 years
Stock-based compensation expense			$ 13.5
Percentage of incentive stock awards expected to be vested and awarded of stocks granted			123.00%
Performance Shares \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted			0.00%
Performance Shares \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted			200.00%
Performance Shares \| Scenario Forecast
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of incentive stock awards expected to be vested and awarded of stocks granted	101.00%	134.00%
Plan Two Thousand Eleven
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for grant			2,703,673
Plan Two Thousand Eleven \| Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan term, years			10 years
Award vesting period			4 years
Directors Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued			847,720
Stock-based compensation expense			$ 1.1
Directors Plan \| Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan term, years			10 years
Shares authorized for grants			1,000,000
Award vesting period			3 years
Directors Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period			1 year
Shares issued			11,256	12,704	17,875
Plan 2000 \| Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan term, years			10 years
Award vesting period			4 years

STOCK-BASED COMPENSATION PLANS - Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Options Outstanding
Outstanding, beginning of period (in shares)	1,147,558	1,232,862	1,465,678
Granted (in shares)	84,675	81,552	116,392
Exercised (in shares)	(124,156)	(163,786)	(344,806)
Canceled (in shares)	(10,754)	(3,070)	(4,402)
Outstanding, end of period (in shares)	1,097,323	1,147,558	1,232,862	1,465,678
Exercisable at December 31, 2015	863,157
Weighted-Average Exercise Price per Share
Outstanding, beginning of period (in dollars per share)	$ 28.33	$ 24.36	$ 20.24
Granted (in dollars per share)	87.35	73.20	48.29
Exercised (in dollars per share)	26.70	20.37	14.98
Canceled (in dollars per share)	65.22	52.73	26.61
Outstanding, end of period (in dollars per share)	32.70	$ 28.33	$ 24.36	$ 20.24
Exercisable at December 31, 2015	$ 23.71
Weighted-Average Remaining Contractual Life
Weighted- Average Remaining Contractual Life, outstanding	4 years 9 months 18 days	5 years 6 months	6 years 1 month 6 days	6 years 3 months 18 days
Weighted Average Remaining Contractual Life, Exercisable shares at December 31, 2015	4 years
Aggregate Intrinsic Value
Outstanding, beginning of period	$ 67,205	$ 61,530	$ 34,487
Granted	1,375	1,116	3,024
Exercised	(5,516)	(10,895)	(20,444)
Canceled	(64)	(105)	(210)
Outstanding, end of period	42,154	$ 67,205	$ 61,530	$ 34,487
Exercisable at December 31, 2014	$ 40,920

STOCK-BASED COMPENSATION PLANS - Stock Options Outstanding (Detail)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	1,097,323
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 32.70
Number of options currently exercisable (in shares) \| shares	863,157
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 23.71
Under $15.00
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	206,500
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 14.50
Weighted average remaining contractual life	3 years 1 month 6 days
Number of options currently exercisable (in shares) \| shares	206,500
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 14.50
15.00 - 23.00
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	345,048
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 18.20
Weighted average remaining contractual life	2 years 10 months 24 days
Number of options currently exercisable (in shares) \| shares	345,048
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 18.20
23.00 - 30.00
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	165,617
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 28.74
Weighted average remaining contractual life	4 years 9 months 18 days
Number of options currently exercisable (in shares) \| shares	165,617
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 28.74
30.00 - 38.00
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	119,805
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 35.27
Weighted average remaining contractual life	6 years 1 month 6 days
Number of options currently exercisable (in shares) \| shares	81,956
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 35.22
Over 38.00
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Number of options outstanding \| shares	260,353
Weighted average exercise price of options outstanding (in dollars per share) \| $ / shares	$ 67.72
Weighted average remaining contractual life	8 years
Number of options currently exercisable (in shares) \| shares	64,036
Weighted average exercise price of options currently exercisable (in dollars per share) \| $ / shares	$ 55.43

STOCK-BASED COMPENSATION PLANS - Fair Value of Each Option Grant Weighted Average Assumptions (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Dividend yield	0.14%	0.11%	0.21%
Risk-free interest rate	1.80%	2.20%	1.40%
Stock price volatility	27.30%	33.00%	43.80%
Expected life (years)	5 years	5 years	5 years
Weighted average fair value of options granted during the year (in dollars per share)	$ 24.41	$ 22.82	$ 17.60

STOCK-BASED COMPENSATION PLANS - Restricted Stock Activity and Incentive Stock Awards Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, beginning of period (in dollars per share)	$ 47.97	$ 35.27	$ 26.69
Granted (in dollars per share)	87.90	73.68	48.62
Vested (in dollars per share)	37.76	29.83	20.86
Adjustment for incentive stock awards expected to vest (in dollars per share)	57.57	47.56	33.49
Canceled (in dollars per share)	67.05	48.50	26.98
Outstanding, end of period (in dollars per share)	$ 65.89	$ 47.97	$ 35.27
Restricted Stock and Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, beginning of period	438,543.000	510,129	546,774
Granted	113,945	150,886	173,887
Vested	(182,776)	(218,502)	(204,494)
Canceled	(12,827)	(3,970)	(6,038)
Outstanding, end of period	356,885.000	438,543.000	510,129
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, beginning of period	791,608	1,043,594	1,329,078
Granted	126,050	140,240	200,090
Vested	(433,932)	(458,536)	(570,918)
Adjustment for incentive stock awards expected to vest	65,666	74,680	91,694
Canceled	(7,754)	(8,370)	(6,350)
Outstanding, end of period	541,638	791,608	1,043,594

OTHER COMPREHENSIVE LOSS - Components of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Comprehensive Loss [Line Items]
Foreign currency translation gain	$ (227,349)	$ (94,450)
Pension and post-retirement benefit plans, net of tax of $(18,042) and $(28,321)	(46,383)	(62,793)
Total accumulated other comprehensive loss	(276,719)	(159,486)
Unrealized loss on interest rate swap contracts, tax	1,815	1,357
Pension benefit plans and post retirement benefit plans, tax	(18,042)	(28,321)
Derivative Contracts
Other Comprehensive Loss [Line Items]
Unrealized loss on interest rate swap contracts, net of tax of $1,815 and $1,357	(2,987)	(2,243)
Total accumulated other comprehensive loss	$ (2,987)	$ (2,243)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References + Details

OTHER COMPREHENSIVE LOSS - Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at December 31, 2014	$ (159,486)
Other comprehensive income before reclassifications	(120,285)
Amounts reclassified from accumulated other comprehensive income	3,052
Net current period other comprehensive income	(117,233)
Balance at December 31, 2015	(276,719)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at December 31, 2014	(94,450)
Other comprehensive income before reclassifications	(132,899)
Amounts reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income	(132,899)
Balance at December 31, 2015	(227,349)
Derivative Contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at December 31, 2014	(2,243)
Other comprehensive income before reclassifications	(1,972)
Amounts reclassified from accumulated other comprehensive income	1,228
Net current period other comprehensive income	(744)
Balance at December 31, 2015	(2,987)
Pension And Post Retirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at December 31, 2014	(62,793)
Other comprehensive income before reclassifications	14,586
Amounts reclassified from accumulated other comprehensive income	1,824
Net current period other comprehensive income	16,410
Balance at December 31, 2015	$ (46,383)

- Definition

+ References + Details

OTHER COMPREHENSIVE LOSS - Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Cost of sales									$ 2,260,182	$ 2,108,472	$ 1,802,365
Income from operations									585,368	507,855	421,087
Income tax expense									(186,740)	(156,175)	(128,852)
Interest expense, net									(16,888)	(17,574)	(15,341)
Net income	$ 101,779	$ 99,181	$ 101,504	$ 96,164	$ 92,686	$ 90,155	$ 88,705	$ 80,134	398,628	$ 351,680	$ 292,235
Reclassification out of Accumulated Other Comprehensive Income \| Amortization of initial net obligation and prior service cost
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Cost of sales									(2,087)
Reclassification out of Accumulated Other Comprehensive Income \| Amortization of net loss (gain)
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Cost of sales									4,766
Reclassification out of Accumulated Other Comprehensive Income \| Pension And Post Retirement Benefit Plans
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Income from operations									2,679
Income tax expense									(855)
Net income									1,824
Reclassification out of Accumulated Other Comprehensive Income \| Derivative Contracts
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Income tax expense									(575)
Interest expense, net									1,803
Net income									$ 1,228

OPERATING LEASES - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Leased Assets [Line Items]
Net rental expense	$ 20.2	$ 20.0	$ 18.2
Sublease rentals	$ 0.7	$ 0.1	$ 0.3
Minimum
Operating Leased Assets [Line Items]
Operating leases term, in years	1 year
Maximum
Operating Leased Assets [Line Items]
Operating leases term, in years	15 years

OPERATING LEASES - Future Minimum Rental Payments Under Operating Leases (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]
2016	$ 18,106
2017	14,219
2018	11,489
2019	9,872
2020	9,112
2021 and after	35,018
Real Estate
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]
2016	16,298
2017	12,828
2018	10,382
2019	9,171
2020	8,522
2021 and after	34,848
Equipment
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]
2016	1,808
2017	1,391
2018	1,107
2019	701
2020	590
2021 and after	$ 170

WARRANTIES - Changes in Product Warranty Reserve (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 87,849	$ 60,593
Warranty expense	35,418	34,110
Acquisitions	787	14,375
Warranty claim payments	(29,441)	(19,570)
Foreign currency impact/other	(2,549)	(1,659)
Balance at end of period	$ 92,064	$ 87,849

PREFERRED STOCK - Narrative (Detail) - shares	Dec. 31, 2015	Dec. 31, 2014
Disclosure Preferred Stock Additional Information [Abstract]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS - Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative, carrying value	$ 4,474	$ 3,351
Fair Value, Inputs, Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liabilities at fair value	4,474	3,351
Forward Starting Interest Rate Swap Agreement
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Derivative, carrying value	4,474	3,351
Liabilities at fair value	4,474	3,351
Forward Starting Interest Rate Swap Agreement \| Fair Value, Inputs, Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Liabilities at fair value	$ 4,474	$ 3,351

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References + Details

FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS - Estimated Fair Values and Related Carrying Values of Financial Instruments (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative, carrying value	$ 4,474,000	$ 3,351,000
Forward Starting Interest Rate Swap Agreement
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative, carrying value	4,474,000	3,351,000
Derivative, fair value	4,474,000	3,351,000
4.375% Senior Notes, due 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Note, carrying value	250,000,000	250,000,000
Note, fair value	$ 254,075,000	$ 260,000,000
Debt instrument, interest rate, stated percentage	4.375%	4.375%

- Definition

+ References + Details

SEGMENT INFORMATION - Narrative (Detail) $ in Millions	12 Months Ended
SEGMENT INFORMATION - Narrative (Detail) $ in Millions	Dec. 31, 2015 USD ($) Segment	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segment \| Segment	2
United States
Segment Reporting Information [Line Items]
Export Sales \| $	$ 508.4	$ 521.7	$ 542.3

SEGMENT INFROMATION - Segment Financial Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total sales	$ 832,849	$ 809,527	$ 847,028	$ 818,594	$ 820,866	$ 797,271	$ 731,068	$ 695,249	$ 3,307,998	$ 3,044,454	$ 2,566,392
Income (loss) from operations	151,209	$ 152,078	$ 155,860	$ 148,420	136,963	$ 135,977	$ 132,323	$ 121,846	607,567	527,109	437,310
Interest expense and other, net									(22,199)	(19,254)	(16,223)
Income (loss) from operations before income taxes									585,368	507,855	421,087
Income (loss) from operations before income taxes									585,368	507,855	421,087
Depreciation and amortization									64,734	61,261	51,193
Capital expenditures									49,428	47,662	41,238
Segment assets	3,300,335				3,303,841				3,300,335	3,303,841	2,821,997
External Customers
Segment Reporting Information [Line Items]
Total sales									3,307,998	3,044,454	2,566,392
Operating Segments \| Freight Segment
Segment Reporting Information [Line Items]
Total sales									2,090,087	1,767,662	1,423,566
Income (loss) from operations									482,640	402,456	309,133
Income (loss) from operations before income taxes											309,133
Income (loss) from operations before income taxes									482,640	402,456
Depreciation and amortization									36,834	34,579	30,645
Capital expenditures									24,715	22,913	22,020
Segment assets	2,766,798				2,516,645				2,766,798	2,516,645	2,258,773
Operating Segments \| Transit Segment
Segment Reporting Information [Line Items]
Total sales									1,264,178	1,320,335	1,175,281
Income (loss) from operations									150,988	147,821	143,634
Income (loss) from operations before income taxes											143,634
Income (loss) from operations before income taxes									150,988	147,821
Depreciation and amortization									26,196	24,956	19,103
Capital expenditures									22,996	22,859	17,119
Segment assets	2,221,027				2,024,312				2,221,027	2,024,312	1,706,829
Operating Segments \| External Customers \| Freight Segment
Segment Reporting Information [Line Items]
Total sales									2,054,715	1,731,477	1,398,103
Operating Segments \| External Customers \| Transit Segment
Segment Reporting Information [Line Items]
Total sales									1,253,283	1,312,977	1,168,289
Operating Segments \| Intersegment Sales/(Elimination) \| Freight Segment
Segment Reporting Information [Line Items]
Total sales									35,372	36,185	25,463
Operating Segments \| Intersegment Sales/(Elimination) \| Transit Segment
Segment Reporting Information [Line Items]
Total sales									10,895	7,358	6,992
Corporate Activities and Elimination
Segment Reporting Information [Line Items]
Total sales									(46,267)	(43,543)	(32,455)
Income (loss) from operations									(26,061)	(23,168)	(15,457)
Interest expense and other, net									22,199	(19,254)	(16,223)
Income (loss) from operations before income taxes											(31,680)
Income (loss) from operations before income taxes									(48,260)	(42,422)
Depreciation and amortization									1,704	1,726	1,445
Capital expenditures									1,717	1,890	2,099
Segment assets	$ (1,687,490)				$ (1,237,116)				(1,687,490)	(1,237,116)	(1,143,605)
Corporate Activities and Elimination \| Intersegment Sales/(Elimination)
Segment Reporting Information [Line Items]
Total sales									$ (46,267)	$ (43,543)	$ (32,455)

SEGMENT INFORMATION - Geographic Area Data (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales	$ 832,849	$ 809,527	$ 847,028	$ 818,594	$ 820,866	$ 797,271	$ 731,068	$ 695,249	$ 3,307,998	$ 3,044,454	$ 2,566,392
Long-Lived Assets	353,193				339,111				353,193	339,111	276,078
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									1,754,924	1,537,002	1,336,604
Long-Lived Assets	171,362				158,913				171,362	158,913	150,952
United Kingdom
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									368,505	362,855	297,139
Long-Lived Assets	63,694				62,305				63,694	62,305	43,733
Canada
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									204,674	175,561	167,417
Long-Lived Assets	4,876				5,462				4,876	5,462	6,442
Mexico
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									190,034	174,218	128,184
Long-Lived Assets	8,839				7,812				8,839	7,812	5,862
China
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									100,586	101,889	49,952
Long-Lived Assets	12,256				12,788				12,256	12,788	7,863
Germany
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									92,422	86,792	54,869
Long-Lived Assets	31,642				33,441				31,642	33,441	13,599
Australia
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									86,809	113,668	141,056
Long-Lived Assets	8,424				6,505				8,424	6,505	5,033
Brazil
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									84,595	83,906	78,532
Long-Lived Assets	9,318				5,074				9,318	5,074	1,031
France
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									45,565	41,469	37,925
Long-Lived Assets	7,194				7,686				7,194	7,686	8,437
Italy
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									38,164	42,865	42,702
Long-Lived Assets	15,170				17,913				15,170	17,913	21,374
Netherlands
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									25,869	19,452	9,921
Long-Lived Assets	7,506				10,201				7,506	10,201	2,459
Other international
Revenues From External Customers And Long Lived Assets [Line Items]
Net sales									315,851	304,777	222,091
Long-Lived Assets	$ 12,912				$ 11,011				$ 12,912	$ 11,011	$ 9,293

SEGMENT INFORMATION - Sales by Product (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total sales	$ 832,849	$ 809,527	$ 847,028	$ 818,594	$ 820,866	$ 797,271	$ 731,068	$ 695,249	$ 3,307,998	$ 3,044,454	$ 2,566,392
Specialty Products & Electronics
Segment Reporting Information [Line Items]
Total sales									1,733,881	1,393,955	1,041,771
Brake Products
Segment Reporting Information [Line Items]
Total sales									627,552	662,336	567,730
Remanufacturing, Overhaul & Build
Segment Reporting Information [Line Items]
Total sales									606,624	618,885	655,387
Other Transit Products
Segment Reporting Information [Line Items]
Total sales									189,581	201,913	204,115
Other
Segment Reporting Information [Line Items]
Total sales									$ 150,360	$ 167,365	$ 97,389

OTHER INCOME (EXPENSE) - Components of Other Income Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Foreign currency (loss)	$ (4,659)	$ (2,445)	$ (3,512)
Other miscellaneous (expense) income	(652)	765	2,630
Total other (expense), net	$ (5,311)	$ (1,680)	$ (882)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) - Selected Quarterly Financial Data (Detail) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
	May 14, 2013	Dec. 31, 2015 USD ($) $ / shares	Sep. 30, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($) $ / shares	Mar. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares	Sep. 30, 2014 USD ($) $ / shares	Jun. 30, 2014 USD ($) $ / shares	Mar. 31, 2014 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares	Dec. 31, 2014 USD ($) $ / shares	Dec. 31, 2013 USD ($) $ / shares
Disclosure Selected Quarterly Financial Data [Abstract]
Net sales		$ 832,849	$ 809,527	$ 847,028	$ 818,594	$ 820,866	$ 797,271	$ 731,068	$ 695,249	$ 3,307,998	$ 3,044,454	$ 2,566,392
Gross profit		267,628	257,069	267,764	255,355	254,297	247,458	224,658	209,569	1,047,816	935,982	764,027
Income from operations		151,209	152,078	155,860	148,420	136,963	135,977	132,323	121,846	607,567	527,109	437,310
Net income attributable to Wabtec shareholders		$ 101,779	$ 99,181	$ 101,504	$ 96,164	$ 92,686	$ 90,155	$ 88,705	$ 80,134	$ 398,628	$ 351,680	$ 292,235
Net income attributable to Wabtec shareholders (in dollars per share) \| $ / shares		$ 1.06	$ 1.03	$ 1.05	$ 1.00	$ 0.96	$ 0.94	$ 0.92	$ 0.84	$ 4.14	$ 3.66	$ 3.05
Net income attributable to Wabtec shareholders (in dollars per share) \| $ / shares		$ 1.05	$ 1.02	$ 1.04	$ 0.99	$ 0.95	$ 0.93	$ 0.91	$ 0.83	$ 4.10	$ 3.62	$ 3.01
Stock split ratio	2

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation And Qualifying Accounts Disclosure [Line Items]
Charged/ (credited) to expense	$ 35,418	$ 34,110
Warranty and overhaul reserves
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	87,849	60,593	$ 58,212
Charged/ (credited) to expense			23,059
Charged/(credited) to other accounts	(1,762)	12,717	(75)
Deductions from reserves	29,441	19,571	20,603
Balance at end of period	92,064	87,849	60,593
Allowance for doubtful accounts
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	6,270	5,707	6,656
Charged/ (credited) to expense	2,026	4,200	2,361
Charged/(credited) to other accounts			0
Deductions from reserves	2,682	3,637	3,310
Balance at end of period	5,614	6,270	5,707
Valuation allowance-taxes
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	1,818	3,332	2,141
Charged/ (credited) to expense	7,024	(1,514)	1,191
Charged/(credited) to other accounts	3,781
Balance at end of period	12,623	1,818	3,332
Merger and restructuring reserve
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	686	775	836
Charged/ (credited) to expense	0	0	0
Deductions from reserves	64	89	61
Balance at end of period	$ 622	$ 686	$ 775