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Cover Page - shares	3 Months Ended
Cover Page - shares	Mar. 31, 2020	Apr. 29, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	033-90866
Entity Registrant Name	WESTINGHOUSE AIR BRAKE TECHNOLOGIESCORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	25-1615902
Entity Address, Address Line One	30 Isabella Street
Entity Address, City or Town	Pittsburgh
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	15212
City Area Code	412
Local Phone Number	825-1000
Title of 12(b) Security	Common Stock, $.01 par value per share
Trading Symbol	WAB
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		190,288,623
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000943452
Current Fiscal Year End Date	--12-31

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 615.9	$ 604.2
Accounts receivable	1,149.1	1,149.9
Unbilled accounts receivable	522.9	514.0
Inventories	1,785.7	1,773.1
Other current assets	167.5	150.9
Total current assets	4,241.1	4,192.1
Property, plant and equipment	2,208.9	2,216.0
Accumulated depreciation	(585.9)	(560.2)
Property, plant and equipment, net	1,623.0	1,655.8
Other Assets
Goodwill	8,273.7	8,360.6
Other intangibles, net	4,010.0	4,104.0
Other noncurrent assets	625.3	631.7
Total other assets	12,909.0	13,096.3
Total Assets	18,773.1	18,944.2
Current Liabilities
Accounts payable	1,087.2	1,157.5
Customer deposits	602.8	604.2
Accrued compensation	257.4	343.8
Accrued warranty	216.8	226.5
Current portion of long-term debt	92.8	95.7
Other accrued liabilities	724.6	830.3
Total current liabilities	2,981.6	3,258.0
Long-term debt	4,655.1	4,333.6
Accrued postretirement and pension benefits	109.2	113.0
Deferred income taxes	151.4	145.3
Contingent consideration	294.7	291.8
Other long-term liabilities	783.4	808.9
Total Liabilities	8,975.4	8,950.6
Commitments and contingencies (Note 15)
Equity
Convertible preferred stock, $.01 par value; 1,000,000 shares authorized, no shares issued and outstanding, at March 31, 2020 and December 31, 2019	0.0	0.0
Common stock, $.01 par value; 500,000,000 shares authorized: 226,947,180 and 226,947,180 shares issued and 190,277,837 and 191,699,193 outstanding at March 31, 2020 and December 31, 2019, respectively	2.0	2.0
Additional paid-in capital	7,875.0	7,877.2
Treasury stock, at cost, 36,669,343 and 35,247,987 shares, at March 31, 2020 and December 31, 2019, respectively	(910.2)	(807.1)
Retained earnings	3,355.6	3,267.0
Accumulated other comprehensive loss	(560.6)	(382.6)
Total Westinghouse Air Brake Technologies Corporation shareholders’ equity	9,761.8	9,956.5
Noncontrolling interest	35.9	37.1
Total Equity	9,797.7	9,993.6
Total Liabilities and Equity	$ 18,773.1	$ 18,944.2

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	226,947,180	226,947,180
Common stock, shares outstanding (in shares)	190,277,837	191,699,193
Treasury stock, shares (in shares)	36,669,343	35,247,987

CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net sales:
Total net sales	$ 1,929.9	$ 1,593.6
Cost of sales:
Total cost of sales	(1,351.2)	(1,204.6)
Gross profit	578.7	389.0
Operating expenses:
Selling, general and administrative expenses	(243.4)	(259.8)
Engineering expenses	(49.0)	(34.5)
Amortization expense	(69.0)	(27.4)
Total operating expenses	(361.4)	(321.7)
Income from operations	217.3	67.3
Other income and expenses:
Interest expense, net	(53.3)	(44.6)
Other expense, net	(14.8)	(8.2)
Income from operations before income taxes	149.2	14.5
Income tax expense	(38.0)	(18.5)
Net income (loss)	111.2	(4.0)
Less: Net loss (gain) attributable to noncontrolling interest	0.4	(0.5)
Net income (loss) attributable to Wabtec shareholders	$ 111.6	$ (4.5)
Basic
Net income (loss) attributable to Wabtec shareholders (in dollars per share)	$ 0.58	$ (0.04)
Diluted
Net income (loss) attributable to Wabtec shareholders (in dollars per share)	$ 0.58	$ (0.04)
Weighted average shares outstanding
Basic (in shares)	190.8	121.2
Diluted (in shares)	191.4	121.2
Goods
Net sales:
Total net sales	$ 1,590.8	$ 1,434.5
Cost of sales:
Total cost of sales	(1,155.9)	(1,073.6)
Services
Net sales:
Total net sales	339.1	159.1
Cost of sales:
Total cost of sales	$ (195.3)	$ (131.0)

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss) attributable to Wabtec shareholders	$ 111.6	$ (4.5)
Foreign currency translation loss	(181.4)	(46.6)
Unrealized gain (loss) on derivative contracts	8.1	(4.1)
Unrealized loss on pension benefit plans and post-retirement benefit plans	(3.6)	(3.6)
Other comprehensive loss before tax	(176.9)	(54.3)
Income tax (benefit) expense related to components of other comprehensive income	(1.1)	1.9
Other comprehensive loss, net of tax	(178.0)	(52.4)
Comprehensive loss attributable to Wabtec shareholders	$ (66.4)	$ (56.9)

- 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 Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities
Net income (loss)	$ 111.2	$ (4.0)
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization	115.8	55.9
Stock-based compensation expense	7.3	8.5
Below market intangible amortization	(37.6)	0.0
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable and unbilled accounts receivable	(22.6)	(51.6)
Inventories	(23.5)	75.3
Accounts payable	(60.2)	(116.4)
Accrued income taxes	(4.4)	18.4
Accrued liabilities and customer deposits	(84.7)	(60.0)
Other assets and liabilities	(83.2)	105.2
Net cash (used for) provided by operating activities	(81.9)	31.3
Investing Activities
Purchase of property, plant and equipment	(33.3)	(29.7)
Proceeds from disposal of property, plant and equipment	6.4	0.8
Acquisitions of businesses, net of cash acquired	(35.7)	(2,710.7)
Net cash used for investing activities	(62.6)	(2,739.6)
Financing Activities
Proceeds from debt	981.5	1,736.5
Payments of debt	(663.8)	(837.7)
Repurchase of stock	(105.3)	0.0
Cash dividends	(23.0)	(11.7)
Other financing activities	(5.9)	(4.1)
Net cash provided by financing activities	183.5	883.0
Effect of changes in currency exchange rates	(27.3)	(4.2)
Increase (decrease) in cash	11.7	(1,829.5)
Cash, cash equivalents, and restricted cash, beginning of period	604.2	2,342.4
Cash and cash equivalents, end of period	$ 615.9	$ 512.9

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Beginning Balance (in shares) at Dec. 31, 2018		132,349,534		(35,734,588)
Beginning Balance at Dec. 31, 2018	$ 2,869.1	$ 1.3	$ 914.6	$ (816.1)	$ 3,022.0	$ (256.6)	$ 3.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends	(11.7)				(11.7)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax (in shares)				420,472
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax	(5.5)		(14.4)	$ 8.9
Stock based compensation	8.5		8.5
Net income (loss)	(4.0)				(4.5)		0.5
Other comprehensive loss, net of tax	(52.4)					(52.4)
Acquisitions, net (in shares)		65,782,182
Acquisitions, net	6,975.0	$ 0.7	6,887.6				86.7
Other owner changes	1.4						1.4
Ending Balance (in shares) at Mar. 31, 2019		198,131,716		(35,314,116)
Ending Balance at Mar. 31, 2019	9,780.4	$ 2.0	7,796.3	$ (807.2)	3,005.8	(309.0)	92.5
Beginning Balance (in shares) at Dec. 31, 2019		226,947,180		(35,247,987)
Beginning Balance at Dec. 31, 2019	9,993.6	$ 2.0	7,877.2	$ (807.1)	3,267.0	(382.6)	37.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends	(23.0)				(23.0)
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax (in shares)				202,444
Proceeds from treasury stock issued from the exercise of stock options and other benefit plans, net of tax	(5.7)		(7.9)	$ 2.2
Stock based compensation	10.0		10.0
Net income (loss)	111.2				111.6		(0.4)
Other comprehensive loss, net of tax	(178.0)					(178.0)
Stock repurchase (in shares)				(1,623,800)
Stock repurchase	(105.3)			$ (105.3)
Other owner changes	(5.1)		(4.3)				(0.8)
Ending Balance (in shares) at Mar. 31, 2020		226,947,180		(36,669,343)
Ending Balance at Mar. 31, 2020	$ 9,797.7	$ 2.0	$ 7,875.0	$ (910.2)	$ 3,355.6	$ (560.6)	$ 35.9

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends, per share (in dollars per share)	$ 0.12	$ 0.12

Business	3 Months Ended
Business	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business	BUSINESS Westinghouse Air Brake Technologies Corporation (“Wabtec” or the "Company") is one of the world’s largest providers of locomotives, value-added, technology-based equipment, systems and services for the global freight rail and passenger transit industries. Our highly engineered products, which are intended to enhance safety, improve productivity and reduce maintenance costs for customers, can be found on most locomotives, freight cars, passenger transit cars and buses around 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 over 50 countries and our products can be found in more than 100 countries throughout the world. In the first three months of 2020, approximately 59% of the Company’s revenues came from customers outside the United States. On March 11, 2020, the World Health Organization designated the outbreak of the novel strain of coronavirus, known as COVID-19, as a global pandemic. Governments and businesses around the world have taken unprecedented actions to mitigate the spread of COVID-19, including but not limited to, shelter-in-place orders, quarantines, significant restrictions on travel, as well as restrictions that prohibit many employees from going to work. Our top concern is, and remains, the health and well-being of our employees around the world. To date, COVID-19 has surfaced in nearly all regions around the world and has impacted our sales channels, supply chain, manufacturing operations, workforce, and other key aspects of our operations. The outbreak and preventive measures, including temporary plant closures in China, India, Italy and other countries where outbreaks were most prevalent as well as stay at home orders, taken to help curb the spread had an adverse impact on our operations and business results for the first three months of 2020.

Accounting Policies

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Accounting Policies

ACCOUNTING POLICIES

Basis of Presentation The unaudited condensed consolidated interim financial statements have been prepared in accordance with generally accepted accounting principles ("GAAP") in the United States of America and the rules and regulations of the Securities and Exchange Commission and include the accounts of Wabtec and its subsidiaries in which Wabtec has a controlling interest. These condensed consolidated interim financial statements do not include all of the information and footnotes required for complete financial statements. In management’s opinion, these financial statements reflect all adjustments of a normal, recurring nature necessary for a fair presentation of the results for the interim periods presented. Results for these interim periods are not necessarily indicative of results to be expected for the full year particularly in light of the rapidly evolving COVID-19 pandemic that is impacting our sales channels, supply chain, manufacturing operations, workforce, or other key aspects of our operations and the high degree of uncertainty regarding the pandemic's duration and severity, government actions to control it, and the potential impact on global economic activity, global supply chain operations and our customers, suppliers, and end-markets.

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

The notes included herein should be read in conjunction with the audited consolidated financial statements included in Wabtec’s Annual Report on Form 10-K for the year ended December 31, 2019. The December 31, 2019 information has been derived from the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.

Revenue Recognition A majority of the Company’s revenues are derived from performance obligations that are satisfied at a point in time when control passes to the customer. The remaining revenues are earned over time. Generally, for performance obligations satisfied at a point in time control passes at the time of shipment in accordance with agreed upon delivery terms.

The Company also has long-term customer agreements involving the design and production of highly engineered products that require revenue to be recognized over time because these products have no alternative use without significant economic loss and the agreements contain an enforceable right to payment including a reasonable profit margin from the customer in the event of contract termination. Additionally, the Company has customer agreements involving the creation or enhancement of an asset that the customer controls which also require revenue to be recognized over time. Generally, the Company uses an input method for determining the amount of revenue, cost and gross margin to recognize over time for these customer agreements. The input methods used for these agreements include costs of material and labor, both of which give an accurate representation of the progress made toward complete satisfaction of a particular performance obligation. Contract revenues and cost estimates are reviewed and revised periodically through the year and adjustments are reflected in the accounting period as such amounts are determined.

Contract assets include unbilled amounts resulting from sales under long-term contracts where revenue is recognized over time and revenue exceeds the amount that can be billed to the customer based on the terms of the contract. The current portion of the contract assets are classified as current assets under the caption “Unbilled Accounts Receivable” while the noncurrent contract assets are classified as other assets under the caption "Other Noncurrent Assets" on the consolidated balance sheet. Noncurrent contract assets were $106.3 million at March 31, 2020 and $109.4 million at December 31, 2019, respectively. Included in noncurrent contract assets are certain costs that are specifically related to a contract, however, do not directly contribute to the transfer of control of the tangible product being created, such as non-recurring engineering costs. The Company has elected to use the practical expedient and does not consider unbilled amounts anticipated to be paid within one year as significant financing components.

Contract liabilities include customer deposits that are made prior to the incurrence of costs related to a newly agreed upon contract and advanced customer payments that are in excess of revenue recognized. The current portion of contract liabilities are classified as current liabilities under the caption “Customer Deposits” while the noncurrent contract liabilities are classified as noncurrent liabilities under the caption "Other Long-Term Liabilities" on the consolidated balance sheet. Noncurrent contract liabilities were $57.7 million at March 31, 2020 and were $77.0 million at December 31, 2019. These contract liabilities are not considered a significant financing component because they are used to meet working capital demands that can be higher in the early stages of a contract or revenue associated with the contract liabilities is expected to be recognized within one year. Contract liabilities also include provisions for estimated losses from uncompleted contracts. Provisions for loss contracts were $100.6 million and $118.5 million at March 31, 2020 and December 31, 2019, respectively. These provisions for estimated losses are classified as current liabilities and included within the caption “Other Accrued Liabilities” on the consolidated balance sheet.

Due to the nature of work required to be performed on the Company’s long-term projects, the estimation of total revenue and cost at completion is subject to many variables and requires significant judgment. Contract estimates related to long-term projects are based on various assumptions to project the outcome of future events that could span several years. These assumptions include cost of materials; labor availability and productivity; complexity of the work to be performed; and the performance of suppliers, customers and subcontractors that may be associated with the contract. We have a disciplined process where management reviews the progress of long term-projects periodically throughout the year. As part of this process, management reviews information including key contract matters, progress towards completion, identified risks and opportunities and any other information that could impact the Company’s estimates of revenue and costs. After completing this analysis, any adjustments to net sales, cost of goods sold, and the related impact to operating income are recognized as necessary in the period they become known.

Generally, the Company’s revenue contains a single performance obligation for each distinct good; however, a single contract may have multiple performance obligations comprising multiple promises to customers. When there are multiple performance obligations, revenue is allocated based on the relative stand-alone selling price. Pricing is defined in our contracts on a line item basis and includes an estimate of variable consideration when required by the terms of the individual customer contract. Types of variable consideration the Company typically has include volume discounts, prompt payment discounts, liquidating damages, and performance bonuses. Sales returns and allowances are also estimated and recognized in the same period the related revenue is recognized, based upon the Company’s experience.

Remaining performance obligations represent the transaction price of firm customer orders subject to standard industry cancellation provisions and substantial scope-of-work adjustments. As of March 31, 2020, the Company's remaining performance obligations were $20.6 billion. The Company expects to recognize revenue of approximately 25% of remaining performance obligation over the next 12 months, with the remainder recognized thereafter.

Reclassifications Certain prior year amounts have been reclassified, where necessary, to conform to the current year presentation.

Use of Estimates The preparation of financial statements in conformity with GAAP 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.

Goodwill and Intangibles 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 the reporting unit level and 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.

As a result of the COVID-19 pandemic and the uncertainty surrounding the global economy, the Company's stock price was highly volatile during the second half of the first quarter 2020. The Company considered the Company's stock price volatility combined with overall macroeconomic conditions and concluded that it was not more likely than not that the fair value of its three reporting units declined below their carrying value and therefore an interim quantitative impairment test was not required at March 31, 2020. The present uncertainty surrounding the global economy due to the COVID-19 pandemic increases the likelihood that adverse changes could occur in key assumptions used to determine the fair value of reporting units like sales estimates, cost factors, discount rates and stock price resulting in interim quantitative goodwill impairment tests and non-cash goodwill impairments in future periods.

Also, as a result of the COVID-19 pandemic the Company reviewed indefinite-lived tradename intangible assets and concluded that it was not more likely than not that the fair value of such tradename assets were below their carrying value. However, uncertainty surrounding the impact of the COVID-19 pandemic increases the likelihood that adverse changes in key assumptions used to determine the fair value of indefinite-lived intangibles like sales estimates or discount rates could result in interim quantitative tradename impairments tests and non-cash tradename impairments in future periods. Additionally, uncertainty around the current macroeconomic environment could result in changes to the Company’s marketing and branding strategy which also could impact the carrying value or estimated useful lives of the Company’s tradenames.

Financial Derivatives and Hedging Activities As part of its risk management strategy, the Company utilizes derivative financial instruments to mitigate the impact of changes in foreign currency exchange rates and interest rates on earnings and cash flow. For further information regarding financial derivatives and hedging activities, refer to Notes 13 and 14.

Foreign Currency Translation Certain of our international operations have determined that the local currency is the functional currency whereas others have determined the U.S. dollar is their functional currency. Assets and liabilities of foreign subsidiaries where the functional currency is the local currency 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.

Recently Issued Accounting Pronouncements In December 2019, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2019-12, “Income Taxes: Simplifying the Accounting for Income Taxes.” The amendments in this update simplify the accounting for certain income tax transactions by removing specific exceptions to the general principles in Topic 740, Income Taxes. This guidance is effective for fiscal years beginning after December 15, 2020 with early adoption permitted. The Company is currently evaluating the potential impact of adopting this guidance on its consolidated financial statements.

Recently Adopted Accounting Pronouncements In June 2016, FASB issued ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." This updated guidance sets forth a current expected credit loss model based on expected losses. Under this model, an entity recognizes an allowance for expected credit losses based on historical experience, current conditions and forecasted information rather than the current methodology of delaying recognition of credit losses until it is probable a loss has been incurred. This guidance became effective for the Company on January 1, 2020. The Company adopted this accounting standard at the beginning of the period. The impact of adopting the new standard was not material to the consolidated statement of income or the consolidated balance sheet.

In January 2017, FASB issued ASU No. 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment." The amendments in this update eliminate the requirement to perform Step 2 of the goodwill impairment test. Instead, an entity should perform a goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value up to the carrying amount of the goodwill. This guidance became effective for the Company on January 1, 2020. The adoption of this guidance had no impact on the Company, however, the amendments in this update could result in a change to the overall conclusion as to whether or not a reporting unit's goodwill is impaired and the amount of an impairment charge recognized in the event a reporting unit's carrying value exceeds its fair value.

Other Comprehensive Income (Loss) Comprehensive income comprises both net income and the change in equity from transactions and other events and circumstances from nonowner sources.

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the three months ended March 31, 2020 are as follows:


In millions	Foreign currency translation		Derivative contracts		Pension and post retirement benefit plans		Total
Balance at December 31, 2019	$	(308.6)	$	(3.3)	$	(70.7)	$	(382.6)
Other comprehensive income (loss) before reclassifications	(181.4)		6.1		(3.4)		(178.7)
Amounts reclassified from accumulated other
comprehensive income	—		—		0.7		0.7
Net current period other comprehensive income (loss)	(181.4)		6.1		(2.7)		(178.0)
Balance at March 31, 2020	$	(490.0)	$	2.8	$	(73.4)	$	(560.6)

Reclassifications out of accumulated other comprehensive income (loss) for the three months ended March 31, 2020 are as follows:


In millions	Amount reclassified from accumulated other comprehensive income		Affected line item in the Condensed Consolidated Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(0.4)	Other income (expense), net
Amortization of net loss	1.4		Other income (expense), net
	1.0		Other income (expense), net
	(0.3)		Income tax expense
	$	0.7	Net income

The changes in accumulated other comprehensive loss by component, net of tax, for the three months ended March 31, 2019 are as follows:


In millions	Foreign currency translation		Derivative contracts		Pension and post retirement benefit plans		Total
Balance at December 31, 2018	$	(202.2)	$	(0.1)	$	(54.3)	$	(256.6)
Other comprehensive income (loss) before reclassifications	(46.6)		(3.1)		(3.3)		(53.0)
Amounts reclassified from accumulated other
comprehensive income	—		—		0.6		0.6
Net current period other comprehensive income (loss)	(46.6)		(3.1)		(2.7)		(52.4)
Balance at March 31, 2019	$	(248.8)	$	(3.2)	$	(57.0)	$	(309.0)

Reclassifications out of accumulated other comprehensive loss for the three months ended March 31, 2019 are as follows:


In millions	Amount reclassified from accumulated other comprehensive income		Affected line item in the Condensed Consolidated Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(0.4)	Other income (expense), net
Amortization of net loss	1.1		Other income (expense), net
	0.7		Other income (expense), net
	(0.2)		Income tax expense
	$	0.5	Net income

Acquisitions

3 Months Ended

Mar. 31, 2020

Business Combinations [Abstract]

Acquisitions

ACQUISITIONS

General Electric Transportation

Wabtec, General Electric Company ("GE"), GE Transportation, a Wabtec Company formerly known as Transportation System Holdings Inc. ("SpinCo"), which was a newly formed wholly owned subsidiary of GE, and Wabtec US Rail Holdings, Inc. ("Merger Sub"), which was a newly formed wholly owned subsidiary of the Company, entered into the Original Merger Agreement on May 20, 2018, and GE, SpinCo, Wabtec and Wabtec US Rail, Inc. ("Direct Sale Purchaser") entered into the Original Separation Agreement on May 20, 2018, which together provided for the combination of Wabtec and GE Transportation. The Original Merger Agreement and Original Separation Agreement were subsequently amended on January 25, 2019 and the Merger was completed on February 25, 2019.

As part of the Merger, certain assets of GE Transportation, including the equity interests of certain pre-Transaction subsidiaries of GE that composed part of GE Transportation, were sold to Direct Sale Purchaser for a cash payment of $2.875 billion, and Direct Sale Purchaser assumed certain liabilities of GE Transportation in connection with this purchase (the "Direct Sale"). Thereafter, GE transferred the SpinCo business to SpinCo and its subsidiaries (to the extent not already held by SpinCo and its subsidiaries), and SpinCo issued to GE shares of SpinCo Class A preferred stock, SpinCo Class B preferred stock, SpinCo Class C preferred stock and additional shares of SpinCo common stock. Following this issuance of additional SpinCo common stock to GE, and immediately prior to the Distribution (as defined below), GE owned 8,700,000,000 shares of SpinCo common stock, 15,000 shares of SpinCo Class A preferred stock, 10,000 shares of SpinCo Class B preferred stock and one share of SpinCo Class C preferred stock, which constituted all of the outstanding stock of SpinCo.

Following the Direct Sale, GE distributed the distribution shares of SpinCo in a spin-off transaction to its stockholders (the "Distribution"). Immediately after the Distribution, Merger Sub merged with and into SpinCo (the "Merger"), whereby the separate corporate existence of Merger Sub ceased and SpinCo continued as the surviving company and a wholly owned subsidiary of Wabtec (except with respect to shares of SpinCo Class A preferred stock held by GE). In the Merger, subject to adjustment in accordance with the Merger Agreement, each share of SpinCo common stock converted into the right to receive a number of shares of Wabtec common stock based on the common stock exchange ratio set forth in the Merger Agreement and the share of SpinCo Class C preferred stock was converted into the right to receive (a) 10,000 shares of Wabtec convertible preferred stock and (b) a number of shares of Wabtec common stock equal to 9.9% of the fully-diluted pro forma Wabtec shares. Immediately prior to the Merger, Wabtec paid $10.0 million in cash to GE in exchange for all of the shares of SpinCo Class B preferred stock.

Upon consummation of the Merger, Wabtec issued 46,763,975 shares of common stock to the holders of GE common stock, 19,018,207 shares of common stock to GE and 10,000 shares of preferred stock to GE and made a cash payment to GE of $2.885 billion. As a result and calculated based on Wabtec’s outstanding common stock on a fully-diluted, as-converted and as-exercised basis, as of February 25, 2019, approximately 49.2% of the outstanding shares of Wabtec common stock was held collectively by GE and holders of GE common stock (with 9.9% held by GE directly in shares of Wabtec common stock and 15% underlying the shares of Wabtec convertible preferred stock held by GE) and approximately 50.8% of the outstanding shares of Wabtec common stock would be held by pre-Merger Wabtec stockholders, in each case calculated on a fully-diluted, as-converted and as-exercised basis. Following the Merger, GE also retained 15,000 shares of SpinCo Class A non-voting preferred stock, and Wabtec held 10,000 shares of SpinCo Class B non-voting preferred stock.

After the Merger, SpinCo, which is Wabtec’s wholly owned subsidiary (except with respect to shares of SpinCo Class A preferred stock held by GE), and Direct Sale Purchaser, which also is Wabtec’s wholly owned subsidiary, together, SpinCo and Direct Sale Purchaser own and operate the post-transaction GE Transportation. All shares of the Company’s common stock, including those issued in the Merger, are listed on the NYSE under the Company’s current trading symbol “WAB.” On the date of the Distribution, GE and SpinCo, directly or through subsidiaries entered into additional agreements relating to, among other things, intellectual property, employee matters, tax matters, research and development and transition services.

On May 6, 2019, GE completed the sale of approximately 8,780 shares of Wabtec's Series A Preferred stock which converted upon the sale to 25,300,000 shares of Wabtec's common stock. On August 9, 2019, GE completed a sale of the remaining shares of Series A Preferred Stock outstanding which converted to approximately 3,515,500 shares of common stock, as well as 16,969,656 shares of common stock owned directly by GE. Finally, on September 12, 2019, GE completed a sale of all of its remaining shares of common stock of Wabtec, approximately 2,048,515 shares. In conjunction with these secondary offerings, the Company waived the requirements under the shareholders agreement for GE to maintain certain ownership levels of Wabtec's stock following the closing date of the Merger. The Company did not receive any proceeds from the sale of any of these shares.

Total future consideration to be paid by Wabtec to GE includes a fixed payment of $470.0 million, which is directly related to the timing of tax benefits expected to be realized by Wabtec as a result of the acquisition of GE Transportation. This payment is considered contingent consideration because the timing of cash payments to GE is directly related to the future

timing of tax benefits received by the Company as a result of the acquisition of GE Transportation. The total value of the consideration paid, and to be paid, by Wabtec in the acquisition transactions is approximately $10.3 billion, including the cash paid for the Direct Sales Assets, equity transferred for SpinCo, contingent consideration, assumed debt and net of cash acquired. The consideration is based on the Company’s closing share price of $73.36 on February 22, 2019 and the fair value of the contingent consideration.

The fair values of the assets acquired and liabilities assumed were determined using the income, cost and market approaches. Discounted cash flow models were used to estimate the fair values of acquired contract backlog, customer relationships, intellectual property intangibles, and below-market customer contracts liabilities. The fair value measurements were primarily based on significant inputs that are not observable in the market and are considered Level 3. The noncontrolling interest includes equity interests in GE Transportation's Brazil operations held by third parties on the date of acquisition. At the time of acquisition, quotable market prices of the noncontrolling interest existed; therefore, the noncontrolling interest in the GE Transportation Brazil operations were measured using a Level 1 input. In April 2019, the Company acquired the noncontrolling interest in GE Transportation's Brazil operations for $56.2 million which approximated the fair value assigned to the noncontrolling interest on the date of acquisition. The remaining noncontrolling interest value was determined based on inputs that are not observable in the market and are considered Level 3.

The following table summarizes the final fair value of the GE Transportation assets acquired and liabilities assumed:


In millions
Assets acquired
Cash and cash equivalents	$	177.2
Accounts receivable	541.3
Inventories	1,189.7
Other current assets	71.5
Property, plant, and equipment	1,088.6
Goodwill	5,978.0
Trade names	55.0
Customer relationships	550.0
Intellectual property	1,180.0
Backlog	1,450.0
Other noncurrent assets	321.2
Total assets acquired	12,602.5
Liabilities assumed
Current liabilities	1,594.2
Contingent consideration	440.0
Other noncurrent liabilities	661.0
Total liabilities assumed	2,695.2
Net assets acquired	9,907.3
Noncontrolling interest	$	88.3

The revisions to the initial estimates were based on information that existed at the date of acquisition. Substantially all of the accounts receivable acquired are expected to be collectible. Trade names, customer relationships, patents and backlog intangible assets are all subject to amortization. Contingent liabilities assumed as part of the transaction were not material. The contingent liabilities are related to legal and tax matters. Contingent liabilities are recorded at fair value in purchase accounting, aside from those pertaining to uncertainty in income taxes which are an exception to the fair value basis of accounting. Included in other noncurrent liabilities are approximately $524.6 million of customer contracts whose terms are unfavorable compared to market terms at the date of consummation of the GE Transportation acquisition.

Goodwill was calculated as the difference between the acquisition date fair value of the consideration transferred and the fair value of the net assets acquired, and represents the future economic benefits, including synergies, and assembled workforce, that are expected to be achieved as a result of the consummation of the acquisition of GE Transportation. A majority of the purchased goodwill is deductible for tax purposes. The goodwill has been allocated to the Freight segment.

Costs related to the acquisition of GE Transportation were approximately $14.0 million for the three months ended March 31, 2020 and are included in selling, general and administrative expenses on the consolidated statements of income.

The Company also made smaller acquisitions not listed above which are individually and collectively immaterial.

The following unaudited pro forma consolidated financial information presents income statement results as if the GET acquisition listed above had occurred on January 1, 2019:


In millions, except per share data	Three Months Ended March 31, 2020		Three Months Ended March 31, 2019
Net sales	$	1,929.9	$	2,069.2
Gross profit	578.7		454.3
Net income attributable to Wabtec shareholders	111.6		(53.7)
Diluted earnings per share
As Reported	$	0.58	$	(0.04)
Pro forma	$	0.58	$	(0.44)

Inventories

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

The components of inventory, net of reserves, were:


In millions	March 31, 2020		December 31, 2019
Raw materials	$	767.2	$	786.4
Work-in-progress	370.0		374.0
Finished goods	648.5		612.7
Total inventories	$	1,785.7	$	1,773.1

Intangibles

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangibles

INTANGIBLES

The change in the carrying amount of goodwill by segment for the three months ended March 31, 2020 is as follows:


In millions	Freight Segment		Transit Segment		Total
Balance at December 31, 2019	$	6,876.6	$	1,484.0	$	8,360.6
Additions	(3.7)		—		(3.7)
Foreign currency impact	(62.8)		(20.4)		(83.2)
Balance at March 31, 2020	$	6,810.1	$	1,463.6	$	8,273.7

As of March 31, 2020 and December 31, 2019, the Company’s trade names had a net carrying amount of $614.2 million and $623.1 million, respectively. The Company believes these intangibles have indefinite lives, with the exception of the right to use the GE Transportation trade name, to which the Company has assigned a useful life of 5 years.

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


In millions	March 31, 2020		December 31, 2019

Intellectual property, patents, and other intangibles, net of accumulated amortization of $147.8 and $123.8	$	1,083.5	$	1,108.9
Backlog, net of accumulated amortization of $119.0 and $92.0	1,312.4		1,342.1
Customer relationships, net of accumulated amortization of $222.2 and $212.9	999.9		1,029.9
Total	$	3,395.8	$	3,480.9

The weighted average remaining useful life of backlog, intellectual property, customer relationships and other intangibles were 14 years, 13 years, 17 years and 9 years, respectively. Amortization expense for intangible assets was $69.0 million and $27.4 million for the three months ended March 31, 2020 and 2019, respectively.

Amortization expense for the five succeeding years is estimated to be as follows:


In millions
Remainder of 2020	$	212.5
2021	277.9
2022	277.5
2023	276.9
2024	267.5

Contract Assets and Contract Liabilities

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Contract Assets and Contract Liabilities

CONTRACT ASSETS AND CONTRACT LIABILITIES

Contract assets include unbilled amounts resulting from sales under long-term contracts where revenue is recognized over time and revenue exceeds the amount that can be billed to the customer based on the terms of the contract. Contract liabilities include customer deposits that are made prior to the incurrence of costs related to a newly agreed upon contract, advanced customer payments that are in excess of revenue recognized, and provisions for estimated losses from uncompleted contracts.

The change in the carrying amount of contract assets and contract liabilities for the three months ended March 31, 2020, and 2019 is as follows:


	Contract Assets
In millions	2020		2019
Balance at beginning of year	$	623.4	$	345.6
Acquisitions	4.1		238.7
Recognized in current year	293.0		188.3
Reclassified to accounts receivable	(282.9)		(197.0)
Foreign currency impact	(8.3)		(0.8)
Balance at March 31	$	629.3	$	574.8

	Contract Liabilities
In millions	2020		2019
Balance at beginning of year	$	799.7	$	444.8
Acquisitions	6.9		274.1
Recognized in current year	290.2		205.3
Amounts in beginning balance reclassified to revenue	(317.6)		(204.4)
Current year amounts reclassified to revenue	(11.8)		(6.4)
Foreign currency impact	(6.2)		(0.4)
Balance at March 31	$	761.2	$	713.0

Leases

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Leases

LEASES

The Company leases property and equipment under finance and operating leases. For leases with terms greater than 12 months, the Company records the related asset and obligation at the present value of lease payments. Many of the Company's leases include rental escalation clauses, renewal options, and/or termination options that are factored into our determination of lease payments when appropriate. The Company does not separate lease and non-lease components contracts.

As most of the Company's leases do not provide a readily stated discount rate, the Company must estimate our incremental borrowing rate to discount lease payments. The Company has established discount rates by geographic region ranging from 1.0% to 12.3%.

The components of lease expense are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Operating lease expense	$	14.7	$	13.4
Finance lease expense amortization of leased assets	0.3		0.3

Short-term and variable lease expense	0.1		0.1
Sublease income	(0.1)		(0.1)
Total	$	15.0	$	13.7

Scheduled payments of lease liabilities are as follows:


In millions	Operating Leases		Finance Leases		Total
Remaining 2020	$	41.4	$	0.3	$	41.7
2021	47.6		0.2		47.8
2022	40.5		0.2		40.7
2023	34.5		0.2		34.7
2024	30.3		0.1		30.4
Thereafter	103.1		0.2		103.3
Total lease payments	297.4		1.2		298.6
Less: Present value discount	(27.9)		—		(27.9)
Present value lease liabilities	$	269.5	$	1.2	$	270.7

The following table summarizes the remaining lease term and discount rate assumptions used to develop the present value of lease liabilities:


	March 31, 2020
Weighted-average remaining lease term (years)
Operating leases	7.7
Finance leases	5.0
Weighted-average discount rate
Operating leases	3.0	%
Finance leases	1.3	%

Leases

LEASES

The components of lease expense are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Operating lease expense	$	14.7	$	13.4
Finance lease expense amortization of leased assets	0.3		0.3

Short-term and variable lease expense	0.1		0.1
Sublease income	(0.1)		(0.1)
Total	$	15.0	$	13.7

Scheduled payments of lease liabilities are as follows:


In millions	Operating Leases		Finance Leases		Total
Remaining 2020	$	41.4	$	0.3	$	41.7
2021	47.6		0.2		47.8
2022	40.5		0.2		40.7
2023	34.5		0.2		34.7
2024	30.3		0.1		30.4
Thereafter	103.1		0.2		103.3
Total lease payments	297.4		1.2		298.6
Less: Present value discount	(27.9)		—		(27.9)
Present value lease liabilities	$	269.5	$	1.2	$	270.7

The following table summarizes the remaining lease term and discount rate assumptions used to develop the present value of lease liabilities:


	March 31, 2020
Weighted-average remaining lease term (years)
Operating leases	7.7
Finance leases	5.0
Weighted-average discount rate
Operating leases	3.0	%
Finance leases	1.3	%

Long-Term Debt

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Long-Term Debt

LONG-TERM DEBT

Long-term debt consisted of the following:


	Effective		March 31, 2020						December 31, 2019
In millions	Interest Rate		Book Value		Fair Value ¹		Book Value		Fair Value ¹
Senior Credit Facility:
U.S. dollar-denominated Term Loans, net of unamortized debt issuance costs of $1.0 and $1.1	3.0	%	666.5		666.5		684.7		684.7
Multi-Currency Revolving loan facility net of unamortized debt issuance costs of $0.8 and $0.9	2.7	%	570.2		570.2		231.5		231.5
Floating Senior Notes, due 2021, net of unamortized debt issuance costs of $1.7 and $2.0	2.3	%	498.3		496.4		498.0		500.0
4.375% Senior Notes, due 2023, net of unamortized discount and debt issuance costs of $0.9 and $0.9	4.5	%	249.1		253.4		249.1		263.9
4.15% Senior Notes, due 2024, net of unamortized debt issuance costs of $5.3 and $5.7	4.6	%	744.7		713.7		744.3		805.5
3.45% Senior Notes, due 2026, net of unamortized debt issuance costs of $1.4 and $1.5	3.5	%	748.6		673.4		748.5		759.1
4.70% Senior Notes, due 2028, net of unamortized debt issuance costs of $9.0 and $9.2	5.0	%	1,241.0		1,114.5		1,240.8		1,378.3
Other Borrowings			29.5		29.5		32.4		32.4
Total			4,747.9		4,517.6		4,429.3		4,655.4
Less - current portion			92.8		92.8		95.7		95.7
Long-term portion			$	4,655.1	$	4,424.8	$	4,333.6	$	4,559.7

1. See Note 14 for information on the fair value measurement of the Company's long-term debt.

For those debt securities that have a premium or discount at the time of issuance, the Company amortizes the amount through interest expense based on the maturity date or the first date the holders may require the Company to repurchase the debt securities, if applicable. A premium would result in a decrease in interest expense, and a discount would result in an increase in interest expense in future periods. Additionally, the Company has debt issuance costs related to certain financing transactions which are also amortized through interest expense. As of March 31, 2020 and December 31, 2019, the Company had total unamortized debt issuance costs of $20.1 million and $21.3 million, respectively.

At March 31, 2020, the weighted average interest rate on the Company’s variable rate debt was 2.7%.

Senior Credit Facility

On June 8, 2018, the Company entered into a credit agreement ("Senior Credit Facility"), which replaced the Company's then-existing credit agreement. The Senior Credit Facility is with a syndicate of lenders and provides for borrowings consisting of (i) term loans denominated in euros and U.S. dollars ("Term Loans"); and (ii) a multi-currency revolving loan facility, providing for an equivalent in U.S. dollars of up to $1,200.0 million in multi-currency revolving loans (inclusive of swingline loans of up to $75.0 million and letters of credit of up to $450.0 million (the "Revolving Credit Facility")).

The Revolving Facility will mature on June 8, 2023. The following table presents availability under the Revolving Facility:


(in millions)	Multi-currency revolving loan facility
Maximum Availability	$	1,200.0
Outstanding Borrowings	570.2
Letters of Credit Under Revolving Facility	32.3
Current Availability	$	597.5

Under the Senior Credit Facility, we can elect to receive advances bearing interest based on either the ABR rate or the LIBOR rate (each as defined in the Senior Credit Facility) plus an applicable margin that is determined based on our credit ratings or the Company’s Leverage. The agreement contains affirmative, negative and financial covenants, and events of default customary for facilities of this type. The obligations under the Senior Credit Facility are guaranteed by Wabtec and certain of Wabtec’s U.S. subsidiaries, as guarantors.

The company has agreed that, so long as any lender has any commitment under the Senior Credit Facility, any letter of credit is outstanding under the Senior Credit Facility, or any loan or other obligation is outstanding under the Senior Credit Facility, it will maintain the following as of the end of each fiscal quarter or the period of four quarters then ended:


Interest Coverage Ratio ¹						3.0x
Leverage Ratio ²						3.25x

1. The interest coverage ratio is defined as EBITDA, as defined in the Senior Credit Facility, to net interest expense for the four quarters then ended.

2. The leverage ratio is defined as net debt as of the last day of such fiscal quarter to EBITDA, as defined in the Senior Credit Facility, for the four quarters then ended. The Leverage Ratio temporarily increases for four quarters following major acquisitions. Subsequent to the GE Transportation acquisition, the leverage ratio is temporarily increased to 3.5x for the first and second quarters of 2020.

The Company was in compliance with all of our covenants in the Senior Credit Facility as of March 31, 2020.

Senior Notes

The "Senior Notes" comprise our Floating Rate Senior Notes due 2021, 4.375% Senior Notes due 2023, 4.15% Senior Notes due 2024, 3.45% Senior Notes due 2026 and 4.70% Senior Notes due 2028. Interest on the floating rate Senior Notes is payable quarterly. Interest is payable semi-annually on all other Senior Notes. The Company may redeem each series of the notes at any time in whole or from time to time in part in accordance with the provisions of the indenture, under which such series of notes was issued. Each of the Senior Notes (other than the floating rate notes) may be redeemed at a redemption price of 100% of the principal amount plus a specified make-whole premium and accrued interest. The Senior 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 indentures under which the Senior Notes were issued contain covenants and restrictions which limit, subject to certain exceptions, certain sale and leaseback transactions with respect to principal properties, the incurrence of secured debt without equally and ratably securing the Senior Notes, and certain merger and consolidation transactions. The covenants do not require the Company to maintain any financial ratios or specified levels of net worth or liquidity.

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

Subsequent Events

On April 10, 2020 the Company entered into a new $600 million 364 day credit facility maturing April 2021 with a group of banks which includes a $144.0 million revolving credit facility and a $456.0 million term loan. The agreement calls for interest at either a LIBOR-based rate, or a rate based on the prime lending rate of the agent bank, at the Company’s option. The agreement contains affirmative, negative and financial covenants, and events of default customary for facilities of this type and substantially similar to our existing senior credit facility.

Stock-Based Compensation

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

STOCK-BASED COMPENSATION

As of March 31, 2020, 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, as amended and restated (the “2011 Plan”) and the 2000 Stock Incentive Plan, as amended (the “2000 Plan”). The 2011 Plan has a term through May 10, 2027 and provides a maximum of 3,800,000 shares for grants or awards, plus any shares which remain available under the 2000 Plan. The amendment and restatement of the 2011 Plan was approved by stockholders of Wabtec on May 10, 2017. The Company also maintains a 1995 Non-Employee Directors’ Fee and Stock Option Plan as amended and restated (“the Directors Plan”).

Stock-based compensation expense was $7.3 million and $8.5 million for the three months ended March 31, 2020 and 2019, respectively. At March 31, 2020, unamortized compensation expense related to stock options, non-vested restricted shares and incentive stock units expected to vest totaled $62.0 million.

Stock Options Stock options are granted to eligible employees at an exercise price equivalent to the stock's 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 granted prior to 2019 become exercisable over a four-year vesting period, while options granted in 2019 and after become exercisable over a three-year vesting period. Both vesting periods 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 the Directors Plan for the three months ended March 31, 2020:


	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic value (in millions)
Outstanding at December 31, 2019	588,024	$	63.36	5.7	$	8.5
Granted	131,556	78.33
Exercised	(11,440)	37.84
Canceled	(3,531)	72.64
Outstanding at March 31, 2020	704,609	66.52		6.3	1.8
Exercisable at March 31, 2020	448,375	53.22		5.2	1.8

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:


	Three Months Ended March 31,
	2020		2019
Dividend yield	0.60	%	0.66	%
Risk-free interest rate	1.56	%	2.63	%
Stock price volatility	27.9	%	25.8	%
Expected life (years)	5.0		5.0

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 U.S. Treasury bond rates for the expected life of the option.

Restricted Stock, Restricted Units and Incentive Stock Beginning in 2006, the Company adopted a restricted stock program. As provided for under the 2011 Plan and 2000 Plan, eligible employees are granted restricted stock that generally vests over three or four years from the date of grant. Under the Directors Plan, restricted stock awards 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, with underlying shares of common stock being awarded in an amount ranging from 0% to 200% of the amount of initial incentive stock units granted. The incentive stock units included in the table below represent the number of incentive stock units that are expected to vest based on the Company’s estimate for meeting those established performance targets. As of March 31, 2020, the Company estimates that it will achieve 111%, 108% and 100% for the incentive stock awards expected to vest based on performance for the three-year periods ending December 31, 2020, 2021, and 2022, respectively, and has recorded incentive compensation expense accordingly. If the estimate of the number of these incentive 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 average of the high and low Wabtec stock price 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 the Directors Plan, and incentive stock units activity for the 2011 Plan and the 2000 Plan with related information for the three months ended March 31, 2020:


	Restricted Stock and Units	Incentive Stock Units	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019	791,031	572,002	$	73.64
Granted	189,734	238,277	78.34
Vested	(270,288)	(147,069)	76.89
Adjustment for incentive stock awards expected to vest	—	(6,744)	85.97
Canceled	(14,183)	(5,367)	69.45
Outstanding at March 31, 2020	696,294	651,099	74.12

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The overall effective tax rate was 25.5% and 127.7% for the three months ended March 31, 2020 and 2019, respectively. The decrease in the effective rate is primarily the result of non-deductible transaction related expenses incurred during the three months ended March 31, 2019 as a result of the GE Transportation acquisition that did not recur in 2020. Additionally, there was a decrease in the estimated liabilities resulting from provisions of the Tax Cuts and Jobs Act. As of March 31, 2020, the liability for income taxes associated with uncertain tax positions was $17.0 million, of which $17.0 million, if recognized, would favorably affect the Company’s effective income tax rate. As of December 31, 2019, the liability for income taxes associated with unrecognized tax benefits was $17.2 million, of which $17.2 million, if recognized, would favorably affect the Company's effective tax rate. The Company includes interest and penalties related to uncertain tax positions in income tax expense. As of March 31, 2020 and December 31, 2019, the total interest and penalties accrued was approximately $4.0 million. At this time, the Company believes it is reasonably possible that unrecognized tax benefits of approximately $7.4 million may change within the next 12 months due to the expiration of statutory review periods and current examinations. In response to the COVID-19 pandemic, legislation concerning taxes was passed during the three months ended March 31, 2020. While we are continuing to assess the impact of the legislation on our tax planning strategies, we do not expect there to be a material impact to our consolidated financial statements at this time.

Earnings Per Share

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

The computation of basic and diluted earnings per share for net income attributable to Wabtec shareholders is as follows:


	Three Months Ended March 31,
In millions, except per share data	2020			2019
Numerator
Numerator for basic and diluted earnings per common share - net income attributable to Wabtec shareholders	$	111.6		$	(4.5)
Less: dividends declared - common shares and non-vested restricted stock	(23.0)			(11.7)
Undistributed earnings	88.6			(16.2)
Percentage allocated to common shareholders (1)	99.7		%	99.7		%
	88.3			(16.2)
Add: dividends declared - common shares	22.9			11.6
Numerator for diluted earnings per common share	111.2			(4.6)
Denominator
Denominator for basic earnings per common share - weighted average shares	190.8			121.2
Effect of dilutive securities:
Assumed conversion of dilutive stock-based compensation plans	0.6			—
Denominator for diluted earnings per common share adjusted weighted average shares and assumed conversion	191.4			121.2
Net income attributable to Wabtec shareholders per common share
Basic	$	0.58		$	(0.04)
Diluted	$	0.58		$	(0.04)


(1) Basic weighted-average common shares outstanding	190.8		121.2
Basic weighted-average common shares outstanding and non-vested restricted stock expected to vest	191.4		121.6
Percentage allocated to common shareholders	99.7	%	99.7	%

The Company’s non-vested restricted stock contains rights to receive nonforfeitable dividends, and thus are participating securities requiring the two-class method of computing earnings per share. The calculation of earnings per share for common stock shown above excludes the income attributable to the non-vested restricted stock from the numerator and excludes the dilutive impact of those shares from the denominator.

For the three months ended March 31, 2019, basic weighted average shares outstanding and diluted shares outstanding were the same because the effect of assumed conversion of preferred shares and assumed conversion of shares related to stock based compensation plans were anti-dilutive since the Company generated a net loss.

Warranties

3 Months Ended

Mar. 31, 2020

Product Warranties Disclosures [Abstract]

Warranties

WARRANTIES

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


In millions	2020		2019
Balance at beginning of year	$	267.7	$	153.7
Acquisitions	4.3		89.9
Warranty expense	22.7		34.6
Warranty claim payments	(34.0)		(27.8)
Foreign currency impact/other	(3.3)		(1.1)
Balance at March 31	$	257.4	$	249.3

Derivative Financial Instruments and Hedging

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments and Hedging

DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING

Hedging Activities In the normal course of business, we are exposed to interest rate, commodity price and foreign currency exchange rate fluctuations. At times, we limit these risks through the use of derivatives such as cross-currency swaps, foreign currency forward contracts, interest rate swaps, commodity forwards and futures. In accordance with our policy, derivatives are only used for hedging purposes. We do not use derivatives for trading or speculative purposes.

Foreign Currency Exchange Risk

The Company uses forward contracts to mitigate its foreign currency exchange rate exposure due to forecasted sales of finished goods and future settlement of foreign currency denominated assets and liabilities. Derivatives used to hedge forecasted transactions and specific cash flows associated with foreign currency denominated financial assets and liabilities that meet the criteria for hedge accounting are designated as cash flow hedges. The effective portion of gains and losses is deferred as a component of accumulated other comprehensive income and is recognized in earnings at the time the hedged item affects earnings, in the same line item as the underlying hedged item. The contracts are scheduled to mature within two years. For the three months ended March 31, 2020 and 2019, the amounts reclassified into income were not material.

The Company has established revenue hedging, balance sheet risk management and net investment hedging programs to protect against volatility of future foreign currency cash flows and changes in fair value caused by volatility in foreign exchange rates. We conduct our business worldwide in U.S. dollars and the functional currencies of our foreign subsidiaries, including Euro, Indian rupee, British pound sterling, Australian dollars and several other foreign currencies. Changes in foreign currency exchange rates could have a material adverse impact on our financial results that are reported in U.S. dollars. We are also exposed to foreign currency exchange rate risk related to our foreign subsidiaries, including intercompany loans denominated in non-functional currencies and net purchases and sales in non-functional currencies. We have certain foreign currency exchange rate risk programs that use foreign currency forward contracts and cross-currency swaps. These forward contracts and cross-currency swaps are generally used to offset the potential income statement effects from intercompany loans denominated in non-functional currencies. In addition, the Company uses forward contracts to mitigate its foreign currency exchange rate exposure due to forecasted sales of finished goods and future settlement of foreign currency denominated assets and liabilities. These programs reduce but do not entirely eliminate foreign currency exchange rate risk.

Derivatives used to hedge forecasted transactions and specific cash flows associated with foreign currency denominated financial assets and liabilities that meet the criteria for hedge accounting are designated as cash flow hedges. The effective portion of gains and losses is deferred as a component of accumulated other comprehensive income and is recognized in earnings at the time the hedged item affects earnings, in the same line item as the underlying hedged item.

The Company enters into certain derivative contracts in accordance with its risk management strategy that do not meet the criteria for hedge accounting, but which have the impact of largely mitigating foreign currency exposure. These foreign exchange contracts are accounted for on a full mark to market basis through earnings, with gains and losses recorded as a component of other expense, net. The net loss related to these contracts was $1.6 million for the three months ended March 31, 2020. These contracts are scheduled to mature within one year.

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedges discussed in the above sections as of March 31, 2020:


	Fair Value						Gross Notional Amount
In millions	Designated		Non-Designated		Designated		Non-Designated
Foreign Exchange Contracts
Other current assets	$	6.4	$	4.4	$	2,145.2	$	292.4
Other current liabilities	(9.3)		—		1,200.9		—
Cross-currency Swaps
Other current liabilities	(4.1)		—		557.1		—
Total	$	(7.0)	$	4.4	$	3,903.2	$	292.4

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedged discussed in the above sections as of December 31, 2019:


	Fair Value						Gross Notional Amount
In millions	Designated		Non-Designated		Designated		Non-Designated
Foreign Exchange Contracts
Other current assets	$	11.2	$	1.4	$	2,429.0	$	412.9
Other current liabilities	(9.8)		—		1,184.6		—
Cross-currency Swaps
Other current liabilities	(9.4)		—		560.8		—
Total	$	(8.0)	$	1.4	$	4,174.4	$	412.9

Interest Rate Risk

The Company may use interest rate swap contracts on certain investing and borrowing transactions to manage its net exposure to interest rate changes and to reduce its overall cost of borrowing. The Company does not use leveraged swaps and, in general, does not leverage any of its investment activities that would put principal capital at risk. For the three months ended March 31, 2020 the amounts reclassified into income were not material.

Commodity Price Risk

The Company may use commodity forward contracts and futures to manage its exposure to commodity price changes and to reduce its overall cost of manufacturing. For the three months ended March 31, 2020 the amounts reclassified into income were not material.

Fair Value Measurement and Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurement and Fair Value of Financial Instruments

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 assets and liabilities carried at fair value measured on a recurring basis as of March 31, 2020 which are included in other current assets and liabilities on the Consolidated Balance sheet:


		Fair Value Measurements at March 31, 2020 Using
	Total Carrying Value at March 31,	Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Significant Unobservable Inputs
In millions	2020	(Level 1)	(Level 2)	(Level 3)
Foreign Exchange Contracts
Other current assets	10.8	—	10.8	—
Other current liabilities	9.3	—	9.3	—
Cross-Currency Swap Agreement
Other Current Liabilities	4.1	—	4.1	—

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 March 31, 2020 and December 31, 2019. The Company’s defined benefit pension plan assets consist primarily of equity security funds, debt security funds and temporary cash and cash equivalent investments. 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 represents 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 Senior Notes are considered Level 2 based on the fair value valuation hierarchy. Contingent consideration related to the GE Transportation acquisition is considered Level 3 based on the fair value valuation hierarchy and includes $160.0 million classified as "Other accrued liabilities" on the Company's consolidated balance sheet and $294.7 million in long-term liabilities classified as "Contingent consideration" on the Company's consolidated balance sheet. The fair value approximates the carrying value at March 31, 2020.

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES 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. Further information and detail on these claims are described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019, in Note 20 therein, filed on February 24, 2020. During the first three months of 2020, there were no material changes to the information described in the Form 10-K related to claims arising from asbestos exposure. From time to time, the Company is involved in litigation related to claims arising out of the Company's operations in the ordinary course of business, including claims based on product liability, contracts, intellectual property, or other causes of action. Further information and detail on any potentially material litigation is as described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019, in Note 20 therein, filed on February 24, 2020. Except as described below, there have been no material changes to the information described in the Form 10-K related to claims arising from Company's ordinary operations. Xorail, Inc., a wholly owned subsidiary of the Company (“Xorail”), has received notices from Denver Transit Constructors (“DTC”) alleging breach of contract related to the operating of constant warning wireless crossings, and late delivery of the Train Management & Dispatch System (“TMDS”) for the Denver Eagle P3 Project, which is owned by the Denver Regional Transit District ("RTD"). No damages have been asserted for the alleged late delivery of the TMDS, and no formal claim has been filed. Xorail is in the final stages of successfully implementing a recovery plan concerning the TMDS issues. With regard to the wireless crossing issue, as of September 8, 2017, DTC alleged that total damages were $36.8 million through July 31, 2017 and are continuing to accumulate. The majority of the damages stems from a delay in approval of the wireless crossing system by the Federal Railway Administration ("FRA") and the Public Utility Commission ("PUC"), resulting in the use of flaggers at all of the crossings pending approval of the wireless crossing system and certification of the crossings. DTC has alleged that the delay is due to Xorail's failure to achieve constant warning times for the crossings in accordance with the approval requirements imposed by the FRA and PUC. Xorail has denied DTC's assertions, stating that its system satisfied the contractual requirements. Xorail has worked with DTC to modify its system and implement the FRA's and PUC's previously undefined approval requirements; the FRA and PUC have both approved the modified wireless crossing system, and as of August 2018, DTC completed the process of certifying the crossings and eliminated the use of flaggers. On September 21, 2018, DTC filed a complaint against RTD in Colorado state court for breach of contract related to non-payments and the costs for the flaggers, asserting a change-in-law arising from the FRA/PUC’s new certification requirements; a jury trial is scheduled to begin in May 2020. DTC’s complaint generally supports Xorail’s position and does not name or implicate Xorail; DTC has not updated its notices against Xorail, nor have they filed any formal claim against Xorail. On April 3, 2018, the Company and Knorr-Bremse AG entered into a consent decree with the United States Department of Justice resolving allegations that the Company and Knorr-Bremse AG had maintained unlawful agreements not to compete for each other’s employees. The allegations also related to Faiveley Transport before it was acquired by the Company in November 2016. No monetary fines or penalties were imposed on the Company. The Company elected to settle this matter with the Department of Justice to avoid the cost and distraction of litigation. Putative class action lawsuits thereafter were filed in several different federal district courts naming the Company and Knorr as defendants in connection with the allegations contained in the consent decree. A federal Multi-District Litigation (MDL) Panel consolidated the cases in the Western District of Pennsylvania, and on October 12, 2018, a consolidated class action complaint was filed in the Western District of PA with five named plaintiffs. On August 13, 2019, the Company was notified that co-defendant Knorr-Bremse settled with plaintiffs. On January 21, 2020, following Court-sponsored early mediation, the Company entered into a Memorandum of Understanding with plaintiffs, agreeing to settle all claims in the case. On February 24, 2020, the Company entered into a settlement agreement with plaintiffs agreeing to settle all claims in the case.

Segment Information

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Segment Information

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. Initiatives to integrate GE Transportation operations into Wabtec including recent restructuring programs announced in late 2019 resulted in changes to the Company's organizational structure and the financial reporting utilized by the Company's chief operating decision maker to assess performance and allocate resources; as a result, certain asset groups were reorganized from the Freight Segment to the Transit Segment and vice versa. The change in the Company’s reportable segments was effective in the fourth quarter of 2019 and is reflected below in 2020 and through the retrospective revision of 2019 segment information. The Company believes these changes better present Management's new view of the business. The Company’s business segments are:

Freight Segment primarily builds new locomotives, manufactures and services components for new and existing freight cars and 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 regional trains, high speed trains, subway cars, light-rail vehicles and buses, builds new commuter locomotives, refurbishes subway cars, provides heating, ventilation, and air conditioning equipment, and doors for buses and subways. 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. Intersegment sales are accounted for at prices that are generally established by reference to similar transactions with unaffiliated customers. 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 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 the three months ended March 31, 2020 is as follows:


In millions	Freight Segment		Transit Segment		Corporate Activities and Elimination		Total
Sales to external customers	$	1,301.0	$	628.9	$	—	$	1,929.9
Intersegment sales/(elimination)	12.5		9.1		(21.6)		—
Total sales	$	1,313.5	$	638.0	$	(21.6)	$	1,929.9
Income (loss) from operations	$	161.7	$	68.6	$	(13.0)	$	217.3
Interest expense and other, net	—		—		(68.1)		(68.1)
Income (loss) from operations before income taxes	$	161.7	$	68.6	$	(81.1)	$	149.2

Segment financial information for the three months ended March 31, 2019 is as follows:


In millions	Freight Segment		Transit Segment		Corporate Activities and Elimination		Total
Sales to external customers	$	915.5	$	678.1	$	—	$	1,593.6
Intersegment sales/(elimination)	15.7		4.1		(19.8)		—
Total sales	$	931.2	$	682.2	$	(19.8)	$	1,593.6
Income (loss) from operations	$	80.9	$	59.9	$	(73.5)	$	67.3
Interest expense and other, net	—		—		(52.8)		(52.8)
Income (loss) from operations before income taxes	$	80.9	$	59.9	$	(126.3)	$	14.5

Sales by product line are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Freight Segment:
Equipment	$	408.0	$	267.1
Components	220.4		295.2
Digital Electronics	173.6		121.8
Services	499.0		231.4
Total Freight Segment sales	$	1,301.0	$	915.5

Transit Segment:
Original Equipment Manufacturer	287.0		327.3
Aftermarket	341.9		350.8
Total Transit Segment sales	$	628.9	$	678.1

Guarantor Subsidiaries Financial Information

3 Months Ended

Mar. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Guarantor Subsidiaries Financial Information

GUARANTOR SUBSIDIARIES FINANCIAL INFORMATION

The obligations under the Company's Senior Notes and Senior Credit Facility have been fully and unconditionally guaranteed by certain of the Company's U.S. subsidiaries. Each guarantor is 100% owned by the parent company, with the exception of GE Transportation, a Wabtec Company, which has 15,000 shares outstanding of Class A Non-Voting Preferred Stock held by General Electric Company. In accordance with positions established by the Securities and Exchange Commission, the following shows separate financial information with respect to the parent, the guarantor subsidiaries and the non-guarantor subsidiaries. The principal elimination entries eliminate investment in subsidiaries and certain intercompany balances and transactions.

Balance Sheet for March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Cash and cash equivalents	$	14.6	$	5.8	$	595.5	$	—	$	615.9
Receivables, net	130.3		316.5		1,225.2		—		1,672.0
Inventories	137.7		759.5		888.5		—		1,785.7
Current assets - other	0.3		29.4		137.8		—		167.5
Total current assets	282.9		1,111.2		2,847.0		—		4,241.1
Property, plant and equipment, net	78.8		68.0		1,476.2		—		1,623.0
Goodwill	527.4		284.2		7,462.1		—		8,273.7
Investment in subsidiaries	15,638.8		6,698.2		—		(22,337.0)		—
Other intangibles, net	36.5		760.2		3,213.3		—		4,010.0
Other long-term assets	103.6		115.9		405.8		—		625.3
Total assets	$	16,668.0	$	9,037.7	$	15,404.4	$	(22,337.0)	$	18,773.1
Current liabilities	$	503.0	$	1,042.2	$	1,436.4	$	—	$	2,981.6
Inter-company	1,382.0		(2,763.0)		1,381.0		—		—
Long-term debt	4,643.4		—		11.7		—		4,655.1
Long-term liabilities - other	378.0		128.4		832.3		—		1,338.7
Total liabilities	6,906.4		(1,592.4)		3,661.4		—		8,975.4
Shareholders' equity	9,746.6		10,630.1		11,722.1		(22,337.0)		9,761.8
Non-controlling interest	15.0		—		20.9		—		35.9
Total shareholders' equity	$	9,761.6	$	10,630.1	$	11,743.0	$	(22,337.0)	$	9,797.7
Total Liabilities and Shareholders' Equity	$	16,668.0	$	9,037.7	$	15,404.4	$	(22,337.0)	$	18,773.1

Balance Sheet for December 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Cash and cash equivalents	$	24.0	$	14.7	$	565.5	$	—	$	604.2
Receivables, net	103.5		298.2		1,262.2		—		1,663.9
Inventories	135.3		763.1		874.7		—		1,773.1
Current assets - other	(0.8)		22.0		129.7		—		150.9
Total current assets	262.0		1,098.0		2,832.1		—		4,192.1
Property, plant and equipment, net	73.2		65.0		1,517.6		—		1,655.8
Goodwill	564.1		283.2		7,513.3		—		8,360.6
Investment in subsidiaries	15,566.2		6,583.9		—		(22,150.1)		—
Other intangibles, net	35.8		731.2		3,337.0		—		4,104.0
Other long-term assets	105.6		116.2		409.9		—		631.7
Total assets	$	16,606.9	$	8,877.5	$	15,609.9	$	(22,150.1)	$	18,944.2
Current liabilities	$	586.0	$	1,109.6	$	1,562.4	$	—	$	3,258.0
Inter-company	1,357.6		(2,546.3)		1,188.7		—		—
Long-term debt	4,321.8		—		11.8		—		4,333.6
Long-term liabilities - other	385.0		154.1		819.9		—		1,359.0
Total liabilities	6,650.4		(1,282.6)		3,582.8		—		8,950.6
Shareholders' equity	9,941.5		10,160.1		12,005.0		(22,150.1)		9,956.5
Non-controlling interest	15.0		—		22.1		—		37.1
Total shareholders' equity	$	9,956.5	$	10,160.1	$	12,027.1	$	(22,150.1)	$	9,993.6
Total Liabilities and Shareholders' Equity	$	16,606.9	$	8,877.5	$	15,609.9	$	(22,150.1)	$	18,944.2

Income Statement for the Three Months Ended March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net sales	$	168.4	$	903.0	$	1,365.0	$	(506.5)	$	1,929.9
Cost of sales	(128.6)		(748.1)		(879.1)		404.6		(1,351.2)
Gross profit	39.8		154.9		485.9		(101.9)		578.7
Total operating expenses	(53.4)		(63.8)		(244.2)		—		(361.4)
Income from operations	(13.6)		91.1		241.7		(101.9)		217.3
Interest (expense) income, net	(51.1)		2.4		(4.6)		—		(53.3)
Other income (expense), net	(32.8)		49.8		(31.8)		—		(14.8)
Equity earnings (loss)	220.7		114.1		—		(334.8)		—
Pretax income (loss)	123.2		257.4		205.3		(436.7)		149.2
Income tax (expense) benefit	(11.7)		22.1		(48.4)		—		(38.0)
Net income (loss)	111.5		279.5		156.9		(436.7)		111.2
Less: Net loss attributable to noncontrolling interest	—		—		0.4		—		0.4
Net income (loss) attributable to Wabtec shareholders	$	111.5	$	279.5	$	157.3	$	(436.7)	$	111.6

Comprehensive income (loss) attributable to Wabtec shareholders	$	111.5	$	279.5	$	(20.7)	$	(436.7)	$	(66.4)

Income Statement for the Three Months Ended March 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net sales	$	193.1	$	128.8	$	1,327.2	$	(55.5)	$	1,593.6
Cost of sales	(157.7)		(82.0)		(998.0)		33.1		(1,204.6)
Gross profit	35.4		46.8		329.2		(22.4)		389.0
Total operating expenses	(97.5)		(15.3)		(208.9)		—		(321.7)
Income from operations	(62.1)		31.5		120.3		(22.4)		67.3
Interest (expense) income, net	(41.6)		3.5		(6.5)		—		(44.6)
Other income (expense), net	20.3		(2.5)		(26.0)		—		(8.2)
Equity earnings (loss)	91.5		79.8		—		(171.3)		—
Pretax income (loss)	8.1		112.3		87.8		(193.7)		14.5
Income tax expense	(12.5)		—		(6.0)		—		(18.5)
Net income	(4.4)		112.3		81.8		(193.7)		(4.0)
Less: Net gain attributable to noncontrolling interest	—		—		(0.5)		—		(0.5)
Net (loss) income attributable to Wabtec shareholders	$	(4.4)	$	112.3	$	81.3	$	(193.7)	$	(4.5)

Comprehensive income (loss) attributable to Wabtec shareholders	$	(4.4)	$	112.3	$	28.9	$	(193.7)	$	(56.9)

Condensed Statement of Cash Flows for the Three Months Ended March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net cash (used for) provided by operating activities	$	(176.8)	$	23.7	$	173.1	$	(101.9)	$	(81.9)
Net cash (used for) provided by investing activities	(8.9)		(6.2)		(47.5)		—		(62.6)
Net cash provided by (used for) financing activities	176.3		(26.4)		(68.3)		101.9		183.5
Effect of changes in currency exchange rates	—		—		(27.3)		—		(27.3)
(Decrease) increase in cash	(9.4)		(8.9)		30.0		—		11.7
Cash, cash equivalents, and restricted cash, beginning of period	24.0		14.7		565.5		—		604.2
Cash and cash equivalents, end of period	$	14.6	$	5.8	$	595.5	$	—	$	615.9

Condensed Statement of Cash Flows for the Three Months Ended March 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net cash (used for) provided by operating activities	$	(118.4)	$	24.1	$	148.0	$	(22.4)	$	31.3
Net cash provided by (used for) investing activities	6,898.0		(1.6)		(9,636.0)		—		(2,739.6)
Net cash (used for) provided by financing activities	(8,557.0)		(22.5)		9,440.1		22.4		883.0
Effect of changes in currency exchange rates	—		—		(4.2)		—		(4.2)
(Decrease) increase in cash	(1,777.4)		—		(52.1)		—		(1,829.5)
Cash, cash equivalents, and restricted cash, beginning of period	1,782.7		—		559.7		—		2,342.4
Cash and cash equivalents, end of period	$	5.3	$	—	$	507.6	$	—	$	512.9

Other Expense, Net

3 Months Ended

Mar. 31, 2020

Other Income and Expenses [Abstract]

Other Expense, Net

OTHER EXPENSE, NET

The components of other expense, net are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Foreign currency loss	$	(13.8)	$	(12.6)
Equity (expense) income	(0.9)		0.9
Expected return on pension assets/amortization	2.4		3.4
Other miscellaneous (expense) income	(2.5)		0.1
Total other expense, net	$	(14.8)	$	(8.2)

Accounting Policies (Policies)	3 Months Ended
Accounting Policies (Policies)	Mar. 31, 2020
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The unaudited condensed consolidated interim financial statements have been prepared in accordance with generally accepted accounting principles ("GAAP") in the United States of America and the rules and regulations of the Securities and Exchange Commission and include the accounts of Wabtec and its subsidiaries in which Wabtec has a controlling interest. These condensed consolidated interim financial statements do not include all of the information and footnotes required for complete financial statements. In management’s opinion, these financial statements reflect all adjustments of a normal, recurring nature necessary for a fair presentation of the results for the interim periods presented. Results for these interim periods are not necessarily indicative of results to be expected for the full year particularly in light of the rapidly evolving COVID-19 pandemic that is impacting our sales channels, supply chain, manufacturing operations, workforce, or other key aspects of our operations and the high degree of uncertainty regarding the pandemic's duration and severity, government actions to control it, and the potential impact on global economic activity, global supply chain operations and our customers, suppliers, and end-markets. The Company operates on a four-four-five week accounting quarter, and the quarters end on or about March 31, June 30, September 30, and December 31. The notes included herein should be read in conjunction with the audited consolidated financial statements included in Wabtec’s Annual Report on Form 10-K for the year ended December 31, 2019. The December 31, 2019 information has been derived from the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.
Revenue Recognition	Revenue Recognition A majority of the Company’s revenues are derived from performance obligations that are satisfied at a point in time when control passes to the customer. The remaining revenues are earned over time. Generally, for performance obligations satisfied at a point in time control passes at the time of shipment in accordance with agreed upon delivery terms. The Company also has long-term customer agreements involving the design and production of highly engineered products that require revenue to be recognized over time because these products have no alternative use without significant economic loss and the agreements contain an enforceable right to payment including a reasonable profit margin from the customer in the event of contract termination. Additionally, the Company has customer agreements involving the creation or enhancement of an asset that the customer controls which also require revenue to be recognized over time. Generally, the Company uses an input method for determining the amount of revenue, cost and gross margin to recognize over time for these customer agreements. The input methods used for these agreements include costs of material and labor, both of which give an accurate representation of the progress made toward complete satisfaction of a particular performance obligation. Contract revenues and cost estimates are reviewed and revised periodically through the year and adjustments are reflected in the accounting period as such amounts are determined. Contract assets include unbilled amounts resulting from sales under long-term contracts where revenue is recognized over time and revenue exceeds the amount that can be billed to the customer based on the terms of the contract. The current portion of the contract assets are classified as current assets under the caption “Unbilled Accounts Receivable” while the noncurrent contract assets are classified as other assets under the caption "Other Noncurrent Assets" on the consolidated balance sheet. Noncurrent contract assets were $106.3 million at March 31, 2020 and $109.4 million at December 31, 2019, respectively. Included in noncurrent contract assets are certain costs that are specifically related to a contract, however, do not directly contribute to the transfer of control of the tangible product being created, such as non-recurring engineering costs. The Company has elected to use the practical expedient and does not consider unbilled amounts anticipated to be paid within one year as significant financing components. Contract liabilities include customer deposits that are made prior to the incurrence of costs related to a newly agreed upon contract and advanced customer payments that are in excess of revenue recognized. The current portion of contract liabilities are classified as current liabilities under the caption “Customer Deposits” while the noncurrent contract liabilities are classified as noncurrent liabilities under the caption "Other Long-Term Liabilities" on the consolidated balance sheet. Noncurrent contract liabilities were $57.7 million at March 31, 2020 and were $77.0 million at December 31, 2019. These contract liabilities are not considered a significant financing component because they are used to meet working capital demands that can be higher in the early stages of a contract or revenue associated with the contract liabilities is expected to be recognized within one year. Contract liabilities also include provisions for estimated losses from uncompleted contracts. Provisions for loss contracts were $100.6 million and $118.5 million at March 31, 2020 and December 31, 2019, respectively. These provisions for estimated losses are classified as current liabilities and included within the caption “Other Accrued Liabilities” on the consolidated balance sheet. Due to the nature of work required to be performed on the Company’s long-term projects, the estimation of total revenue and cost at completion is subject to many variables and requires significant judgment. Contract estimates related to long-term projects are based on various assumptions to project the outcome of future events that could span several years. These assumptions include cost of materials; labor availability and productivity; complexity of the work to be performed; and the performance of suppliers, customers and subcontractors that may be associated with the contract. We have a disciplined process where management reviews the progress of long term-projects periodically throughout the year. As part of this process, management reviews information including key contract matters, progress towards completion, identified risks and opportunities and any other information that could impact the Company’s estimates of revenue and costs. After completing this analysis, any adjustments to net sales, cost of goods sold, and the related impact to operating income are recognized as necessary in the period they become known. Generally, the Company’s revenue contains a single performance obligation for each distinct good; however, a single contract may have multiple performance obligations comprising multiple promises to customers. When there are multiple performance obligations, revenue is allocated based on the relative stand-alone selling price. Pricing is defined in our contracts on a line item basis and includes an estimate of variable consideration when required by the terms of the individual customer contract. Types of variable consideration the Company typically has include volume discounts, prompt payment discounts, liquidating damages, and performance bonuses. Sales returns and allowances are also estimated and recognized in the same period the related revenue is recognized, based upon the Company’s experience. Remaining performance obligations represent the transaction price of firm customer orders subject to standard industry cancellation provisions and substantial scope-of-work adjustments. As of March 31, 2020, the Company's remaining performance obligations were $20.6 billion. The Company expects to recognize revenue of approximately 25% of remaining performance obligation over the next 12 months, with the remainder recognized thereafter.
Reclassifications	Reclassifications Certain prior year amounts have been reclassified, where necessary, to conform to the current year presentation.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP 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.
Goodwill and Intangible Assets	Goodwill and Intangibles 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 the reporting unit level and 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. As a result of the COVID-19 pandemic and the uncertainty surrounding the global economy, the Company's stock price was highly volatile during the second half of the first quarter 2020. The Company considered the Company's stock price volatility combined with overall macroeconomic conditions and concluded that it was not more likely than not that the fair value of its three reporting units declined below their carrying value and therefore an interim quantitative impairment test was not required at March 31, 2020. The present uncertainty surrounding the global economy due to the COVID-19 pandemic increases the likelihood that adverse changes could occur in key assumptions used to determine the fair value of reporting units like sales estimates, cost factors, discount rates and stock price resulting in interim quantitative goodwill impairment tests and non-cash goodwill impairments in future periods. Also, as a result of the COVID-19 pandemic the Company reviewed indefinite-lived tradename intangible assets and concluded that it was not more likely than not that the fair value of such tradename assets were below their carrying value. However, uncertainty surrounding the impact of the COVID-19 pandemic increases the likelihood that adverse changes in key assumptions used to determine the fair value of indefinite-lived intangibles like sales estimates or discount rates could result in interim quantitative tradename impairments tests and non-cash tradename impairments in future periods. Additionally, uncertainty around the current macroeconomic environment could result in changes to the Company’s marketing and branding strategy which also could impact the carrying value or estimated useful lives of the Company’s tradenames.
Financial Derivatives and Hedging Activities	Financial Derivatives and Hedging Activities As part of its risk management strategy, the Company utilizes derivative financial instruments to mitigate the impact of changes in foreign currency exchange rates and interest rates on earnings and cash flow. For further information regarding financial derivatives and hedging activities, refer to Notes 13 and 14.
Foreign Currency Translation	Foreign Currency Translation Certain of our international operations have determined that the local currency is the functional currency whereas others have determined the U.S. dollar is their functional currency. Assets and liabilities of foreign subsidiaries where the functional currency is the local currency 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.
Recently Issued Accounting Pronouncements and Recently Adopted Accounting Pronouncements	Recently Issued Accounting Pronouncements In December 2019, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2019-12, “Income Taxes: Simplifying the Accounting for Income Taxes.” The amendments in this update simplify the accounting for certain income tax transactions by removing specific exceptions to the general principles in Topic 740, Income Taxes. This guidance is effective for fiscal years beginning after December 15, 2020 with early adoption permitted. The Company is currently evaluating the potential impact of adopting this guidance on its consolidated financial statements. Recently Adopted Accounting Pronouncements In June 2016, FASB issued ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." This updated guidance sets forth a current expected credit loss model based on expected losses. Under this model, an entity recognizes an allowance for expected credit losses based on historical experience, current conditions and forecasted information rather than the current methodology of delaying recognition of credit losses until it is probable a loss has been incurred. This guidance became effective for the Company on January 1, 2020. The Company adopted this accounting standard at the beginning of the period. The impact of adopting the new standard was not material to the consolidated statement of income or the consolidated balance sheet. In January 2017, FASB issued ASU No. 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment." The amendments in this update eliminate the requirement to perform Step 2 of the goodwill impairment test. Instead, an entity should perform a goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value up to the carrying amount of the goodwill. This guidance became effective for the Company on January 1, 2020. The adoption of this guidance had no impact on the Company, however, the amendments in this update could result in a change to the overall conclusion as to whether or not a reporting unit's goodwill is impaired and the amount of an impairment charge recognized in the event a reporting unit's carrying value exceeds its fair value.
Other Comprehensive Income (Loss)	Other Comprehensive Income (Loss) Comprehensive income comprises both net income and the change in equity from transactions and other events and circumstances from nonowner sources.

Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

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

The changes in accumulated other comprehensive income (loss) by component, net of tax, for the three months ended March 31, 2020 are as follows:


In millions	Foreign currency translation		Derivative contracts		Pension and post retirement benefit plans		Total
Balance at December 31, 2019	$	(308.6)	$	(3.3)	$	(70.7)	$	(382.6)
Other comprehensive income (loss) before reclassifications	(181.4)		6.1		(3.4)		(178.7)
Amounts reclassified from accumulated other
comprehensive income	—		—		0.7		0.7
Net current period other comprehensive income (loss)	(181.4)		6.1		(2.7)		(178.0)
Balance at March 31, 2020	$	(490.0)	$	2.8	$	(73.4)	$	(560.6)

The changes in accumulated other comprehensive loss by component, net of tax, for the three months ended March 31, 2019 are as follows:


In millions	Foreign currency translation		Derivative contracts		Pension and post retirement benefit plans		Total
Balance at December 31, 2018	$	(202.2)	$	(0.1)	$	(54.3)	$	(256.6)
Other comprehensive income (loss) before reclassifications	(46.6)		(3.1)		(3.3)		(53.0)
Amounts reclassified from accumulated other
comprehensive income	—		—		0.6		0.6
Net current period other comprehensive income (loss)	(46.6)		(3.1)		(2.7)		(52.4)
Balance at March 31, 2019	$	(248.8)	$	(3.2)	$	(57.0)	$	(309.0)

Reclassifications Out of Accumulated Other Comprehensive Loss

Reclassifications out of accumulated other comprehensive income (loss) for the three months ended March 31, 2020 are as follows:


In millions	Amount reclassified from accumulated other comprehensive income		Affected line item in the Condensed Consolidated Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(0.4)	Other income (expense), net
Amortization of net loss	1.4		Other income (expense), net
	1.0		Other income (expense), net
	(0.3)		Income tax expense
	$	0.7	Net income

Reclassifications out of accumulated other comprehensive loss for the three months ended March 31, 2019 are as follows:


In millions	Amount reclassified from accumulated other comprehensive income		Affected line item in the Condensed Consolidated Statements of Income
Amortization of defined pension and post retirement items
Amortization of initial net obligation and prior service cost	$	(0.4)	Other income (expense), net
Amortization of net loss	1.1		Other income (expense), net
	0.7		Other income (expense), net
	(0.2)		Income tax expense
	$	0.5	Net income

Acquisitions (Tables)

3 Months Ended

Mar. 31, 2020

Business Combinations [Abstract]

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

The following table summarizes the final fair value of the GE Transportation assets acquired and liabilities assumed:


In millions
Assets acquired
Cash and cash equivalents	$	177.2
Accounts receivable	541.3
Inventories	1,189.7
Other current assets	71.5
Property, plant, and equipment	1,088.6
Goodwill	5,978.0
Trade names	55.0
Customer relationships	550.0
Intellectual property	1,180.0
Backlog	1,450.0
Other noncurrent assets	321.2
Total assets acquired	12,602.5
Liabilities assumed
Current liabilities	1,594.2
Contingent consideration	440.0
Other noncurrent liabilities	661.0
Total liabilities assumed	2,695.2
Net assets acquired	9,907.3
Noncontrolling interest	$	88.3

Pro Forma Financial Information

The following unaudited pro forma consolidated financial information presents income statement results as if the GET acquisition listed above had occurred on January 1, 2019:


In millions, except per share data	Three Months Ended March 31, 2020		Three Months Ended March 31, 2019
Net sales	$	1,929.9	$	2,069.2
Gross profit	578.7		454.3
Net income attributable to Wabtec shareholders	111.6		(53.7)
Diluted earnings per share
As Reported	$	0.58	$	(0.04)
Pro forma	$	0.58	$	(0.44)

Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Components of Inventory, Net of Reserves

The components of inventory, net of reserves, were:


In millions	March 31, 2020		December 31, 2019
Raw materials	$	767.2	$	786.4
Work-in-progress	370.0		374.0
Finished goods	648.5		612.7
Total inventories	$	1,785.7	$	1,773.1

Intangibles (Tables)

3 Months Ended

Mar. 31, 2020

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 three months ended March 31, 2020 is as follows:


In millions	Freight Segment		Transit Segment		Total
Balance at December 31, 2019	$	6,876.6	$	1,484.0	$	8,360.6
Additions	(3.7)		—		(3.7)
Foreign currency impact	(62.8)		(20.4)		(83.2)
Balance at March 31, 2020	$	6,810.1	$	1,463.6	$	8,273.7

Intangible Assets of the Company, Other Than Goodwill and Trade Names

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


In millions	March 31, 2020		December 31, 2019

Intellectual property, patents, and other intangibles, net of accumulated amortization of $147.8 and $123.8	$	1,083.5	$	1,108.9
Backlog, net of accumulated amortization of $119.0 and $92.0	1,312.4		1,342.1
Customer relationships, net of accumulated amortization of $222.2 and $212.9	999.9		1,029.9
Total	$	3,395.8	$	3,480.9

Amortization Expense

Amortization expense for the five succeeding years is estimated to be as follows:


In millions
Remainder of 2020	$	212.5
2021	277.9
2022	277.5
2023	276.9
2024	267.5

Contract Assets and Contract Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Change in Carrying Amount of Contract Assets and Contract Liabilities

The change in the carrying amount of contract assets and contract liabilities for the three months ended March 31, 2020, and 2019 is as follows:


	Contract Assets
In millions	2020		2019
Balance at beginning of year	$	623.4	$	345.6
Acquisitions	4.1		238.7
Recognized in current year	293.0		188.3
Reclassified to accounts receivable	(282.9)		(197.0)
Foreign currency impact	(8.3)		(0.8)
Balance at March 31	$	629.3	$	574.8

	Contract Liabilities
In millions	2020		2019
Balance at beginning of year	$	799.7	$	444.8
Acquisitions	6.9		274.1
Recognized in current year	290.2		205.3
Amounts in beginning balance reclassified to revenue	(317.6)		(204.4)
Current year amounts reclassified to revenue	(11.8)		(6.4)
Foreign currency impact	(6.2)		(0.4)
Balance at March 31	$	761.2	$	713.0

Leases (Tables)

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Lease Expense, Term and Discount Rate

The components of lease expense are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Operating lease expense	$	14.7	$	13.4
Finance lease expense amortization of leased assets	0.3		0.3

Short-term and variable lease expense	0.1		0.1
Sublease income	(0.1)		(0.1)
Total	$	15.0	$	13.7

The following table summarizes the remaining lease term and discount rate assumptions used to develop the present value of lease liabilities:


	March 31, 2020
Weighted-average remaining lease term (years)
Operating leases	7.7
Finance leases	5.0
Weighted-average discount rate
Operating leases	3.0	%
Finance leases	1.3	%

Maturity of Operating Lease Liabilities

Scheduled payments of lease liabilities are as follows:


In millions	Operating Leases		Finance Leases		Total
Remaining 2020	$	41.4	$	0.3	$	41.7
2021	47.6		0.2		47.8
2022	40.5		0.2		40.7
2023	34.5		0.2		34.7
2024	30.3		0.1		30.4
Thereafter	103.1		0.2		103.3
Total lease payments	297.4		1.2		298.6
Less: Present value discount	(27.9)		—		(27.9)
Present value lease liabilities	$	269.5	$	1.2	$	270.7

Maturity of Finance Lease Liabilities

Scheduled payments of lease liabilities are as follows:


In millions	Operating Leases		Finance Leases		Total
Remaining 2020	$	41.4	$	0.3	$	41.7
2021	47.6		0.2		47.8
2022	40.5		0.2		40.7
2023	34.5		0.2		34.7
2024	30.3		0.1		30.4
Thereafter	103.1		0.2		103.3
Total lease payments	297.4		1.2		298.6
Less: Present value discount	(27.9)		—		(27.9)
Present value lease liabilities	$	269.5	$	1.2	$	270.7

Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following:


	Effective		March 31, 2020						December 31, 2019
In millions	Interest Rate		Book Value		Fair Value ¹		Book Value		Fair Value ¹
Senior Credit Facility:
U.S. dollar-denominated Term Loans, net of unamortized debt issuance costs of $1.0 and $1.1	3.0	%	666.5		666.5		684.7		684.7
Multi-Currency Revolving loan facility net of unamortized debt issuance costs of $0.8 and $0.9	2.7	%	570.2		570.2		231.5		231.5
Floating Senior Notes, due 2021, net of unamortized debt issuance costs of $1.7 and $2.0	2.3	%	498.3		496.4		498.0		500.0
4.375% Senior Notes, due 2023, net of unamortized discount and debt issuance costs of $0.9 and $0.9	4.5	%	249.1		253.4		249.1		263.9
4.15% Senior Notes, due 2024, net of unamortized debt issuance costs of $5.3 and $5.7	4.6	%	744.7		713.7		744.3		805.5
3.45% Senior Notes, due 2026, net of unamortized debt issuance costs of $1.4 and $1.5	3.5	%	748.6		673.4		748.5		759.1
4.70% Senior Notes, due 2028, net of unamortized debt issuance costs of $9.0 and $9.2	5.0	%	1,241.0		1,114.5		1,240.8		1,378.3
Other Borrowings			29.5		29.5		32.4		32.4
Total			4,747.9		4,517.6		4,429.3		4,655.4
Less - current portion			92.8		92.8		95.7		95.7
Long-term portion			$	4,655.1	$	4,424.8	$	4,333.6	$	4,559.7

1. See Note 14 for information on the fair value measurement of the Company's long-term debt.

Schedule of Line of Credit Facilities

The following table presents availability under the Revolving Facility:


(in millions)	Multi-currency revolving loan facility
Maximum Availability	$	1,200.0
Outstanding Borrowings	570.2
Letters of Credit Under Revolving Facility	32.3
Current Availability	$	597.5

Schedule of Debt


Interest Coverage Ratio ¹						3.0x
Leverage Ratio ²						3.25x

1. The interest coverage ratio is defined as EBITDA, as defined in the Senior Credit Facility, to net interest expense for the four quarters then ended.

- 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://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 942
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-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [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 the Directors Plan for the three months ended March 31, 2020:


	Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic value (in millions)
Outstanding at December 31, 2019	588,024	$	63.36	5.7	$	8.5
Granted	131,556	78.33
Exercised	(11,440)	37.84
Canceled	(3,531)	72.64
Outstanding at March 31, 2020	704,609	66.52		6.3	1.8
Exercisable at March 31, 2020	448,375	53.22		5.2	1.8

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:


	Three Months Ended March 31,
	2020		2019
Dividend yield	0.60	%	0.66	%
Risk-free interest rate	1.56	%	2.63	%
Stock price volatility	27.9	%	25.8	%
Expected life (years)	5.0		5.0

Restricted Stock Activity and Incentive Stock Awards Activity


	Restricted Stock and Units	Incentive Stock Units	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019	791,031	572,002	$	73.64
Granted	189,734	238,277	78.34
Vested	(270,288)	(147,069)	76.89
Adjustment for incentive stock awards expected to vest	—	(6,744)	85.97
Canceled	(14,183)	(5,367)	69.45
Outstanding at March 31, 2020	696,294	651,099	74.12

Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The computation of basic and diluted earnings per share for net income attributable to Wabtec shareholders is as follows:


	Three Months Ended March 31,
In millions, except per share data	2020			2019
Numerator
Numerator for basic and diluted earnings per common share - net income attributable to Wabtec shareholders	$	111.6		$	(4.5)
Less: dividends declared - common shares and non-vested restricted stock	(23.0)			(11.7)
Undistributed earnings	88.6			(16.2)
Percentage allocated to common shareholders (1)	99.7		%	99.7		%
	88.3			(16.2)
Add: dividends declared - common shares	22.9			11.6
Numerator for diluted earnings per common share	111.2			(4.6)
Denominator
Denominator for basic earnings per common share - weighted average shares	190.8			121.2
Effect of dilutive securities:
Assumed conversion of dilutive stock-based compensation plans	0.6			—
Denominator for diluted earnings per common share adjusted weighted average shares and assumed conversion	191.4			121.2
Net income attributable to Wabtec shareholders per common share
Basic	$	0.58		$	(0.04)
Diluted	$	0.58		$	(0.04)


(1) Basic weighted-average common shares outstanding	190.8		121.2
Basic weighted-average common shares outstanding and non-vested restricted stock expected to vest	191.4		121.6
Percentage allocated to common shareholders	99.7	%	99.7	%

Warranties (Tables)

3 Months Ended

Mar. 31, 2020

Product Warranties Disclosures [Abstract]

Changes in Product Warranty Reserve

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


In millions	2020		2019
Balance at beginning of year	$	267.7	$	153.7
Acquisitions	4.3		89.9
Warranty expense	22.7		34.6
Warranty claim payments	(34.0)		(27.8)
Foreign currency impact/other	(3.3)		(1.1)
Balance at March 31	$	257.4	$	249.3

Derivative Financial Instruments and Hedging (Tables)

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Notional Amounts and Fair Value

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedges discussed in the above sections as of March 31, 2020:


	Fair Value						Gross Notional Amount
In millions	Designated		Non-Designated		Designated		Non-Designated
Foreign Exchange Contracts
Other current assets	$	6.4	$	4.4	$	2,145.2	$	292.4
Other current liabilities	(9.3)		—		1,200.9		—
Cross-currency Swaps
Other current liabilities	(4.1)		—		557.1		—
Total	$	(7.0)	$	4.4	$	3,903.2	$	292.4

The following table summarizes the gross notional amounts and fair values of the designated and non-designated hedged discussed in the above sections as of December 31, 2019:


	Fair Value						Gross Notional Amount
In millions	Designated		Non-Designated		Designated		Non-Designated
Foreign Exchange Contracts
Other current assets	$	11.2	$	1.4	$	2,429.0	$	412.9
Other current liabilities	(9.8)		—		1,184.6		—
Cross-currency Swaps
Other current liabilities	(9.4)		—		560.8		—
Total	$	(8.0)	$	1.4	$	4,174.4	$	412.9

Fair Value Measurement and Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Assets and Liabilities Carried at Fair Value Measured on Recurring Basis


		Fair Value Measurements at March 31, 2020 Using
	Total Carrying Value at March 31,	Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Significant Unobservable Inputs
In millions	2020	(Level 1)	(Level 2)	(Level 3)
Foreign Exchange Contracts
Other current assets	10.8	—	10.8	—
Other current liabilities	9.3	—	9.3	—
Cross-Currency Swap Agreement
Other Current Liabilities	4.1	—	4.1	—

Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Segment Financial Information

Segment financial information for the three months ended March 31, 2020 is as follows:


In millions	Freight Segment		Transit Segment		Corporate Activities and Elimination		Total
Sales to external customers	$	1,301.0	$	628.9	$	—	$	1,929.9
Intersegment sales/(elimination)	12.5		9.1		(21.6)		—
Total sales	$	1,313.5	$	638.0	$	(21.6)	$	1,929.9
Income (loss) from operations	$	161.7	$	68.6	$	(13.0)	$	217.3
Interest expense and other, net	—		—		(68.1)		(68.1)
Income (loss) from operations before income taxes	$	161.7	$	68.6	$	(81.1)	$	149.2

Segment financial information for the three months ended March 31, 2019 is as follows:


In millions	Freight Segment		Transit Segment		Corporate Activities and Elimination		Total
Sales to external customers	$	915.5	$	678.1	$	—	$	1,593.6
Intersegment sales/(elimination)	15.7		4.1		(19.8)		—
Total sales	$	931.2	$	682.2	$	(19.8)	$	1,593.6
Income (loss) from operations	$	80.9	$	59.9	$	(73.5)	$	67.3
Interest expense and other, net	—		—		(52.8)		(52.8)
Income (loss) from operations before income taxes	$	80.9	$	59.9	$	(126.3)	$	14.5

Sales by Product

Sales by product line are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Freight Segment:
Equipment	$	408.0	$	267.1
Components	220.4		295.2
Digital Electronics	173.6		121.8
Services	499.0		231.4
Total Freight Segment sales	$	1,301.0	$	915.5

Transit Segment:
Original Equipment Manufacturer	287.0		327.3
Aftermarket	341.9		350.8
Total Transit Segment sales	$	628.9	$	678.1

Guarantor Subsidiaries Financial Information (Tables)

3 Months Ended

Mar. 31, 2020

Condensed Financial Information Disclosure [Abstract]

Condensed Balance Sheet

Balance Sheet for March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Cash and cash equivalents	$	14.6	$	5.8	$	595.5	$	—	$	615.9
Receivables, net	130.3		316.5		1,225.2		—		1,672.0
Inventories	137.7		759.5		888.5		—		1,785.7
Current assets - other	0.3		29.4		137.8		—		167.5
Total current assets	282.9		1,111.2		2,847.0		—		4,241.1
Property, plant and equipment, net	78.8		68.0		1,476.2		—		1,623.0
Goodwill	527.4		284.2		7,462.1		—		8,273.7
Investment in subsidiaries	15,638.8		6,698.2		—		(22,337.0)		—
Other intangibles, net	36.5		760.2		3,213.3		—		4,010.0
Other long-term assets	103.6		115.9		405.8		—		625.3
Total assets	$	16,668.0	$	9,037.7	$	15,404.4	$	(22,337.0)	$	18,773.1
Current liabilities	$	503.0	$	1,042.2	$	1,436.4	$	—	$	2,981.6
Inter-company	1,382.0		(2,763.0)		1,381.0		—		—
Long-term debt	4,643.4		—		11.7		—		4,655.1
Long-term liabilities - other	378.0		128.4		832.3		—		1,338.7
Total liabilities	6,906.4		(1,592.4)		3,661.4		—		8,975.4
Shareholders' equity	9,746.6		10,630.1		11,722.1		(22,337.0)		9,761.8
Non-controlling interest	15.0		—		20.9		—		35.9
Total shareholders' equity	$	9,761.6	$	10,630.1	$	11,743.0	$	(22,337.0)	$	9,797.7
Total Liabilities and Shareholders' Equity	$	16,668.0	$	9,037.7	$	15,404.4	$	(22,337.0)	$	18,773.1

Balance Sheet for December 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Cash and cash equivalents	$	24.0	$	14.7	$	565.5	$	—	$	604.2
Receivables, net	103.5		298.2		1,262.2		—		1,663.9
Inventories	135.3		763.1		874.7		—		1,773.1
Current assets - other	(0.8)		22.0		129.7		—		150.9
Total current assets	262.0		1,098.0		2,832.1		—		4,192.1
Property, plant and equipment, net	73.2		65.0		1,517.6		—		1,655.8
Goodwill	564.1		283.2		7,513.3		—		8,360.6
Investment in subsidiaries	15,566.2		6,583.9		—		(22,150.1)		—
Other intangibles, net	35.8		731.2		3,337.0		—		4,104.0
Other long-term assets	105.6		116.2		409.9		—		631.7
Total assets	$	16,606.9	$	8,877.5	$	15,609.9	$	(22,150.1)	$	18,944.2
Current liabilities	$	586.0	$	1,109.6	$	1,562.4	$	—	$	3,258.0
Inter-company	1,357.6		(2,546.3)		1,188.7		—		—
Long-term debt	4,321.8		—		11.8		—		4,333.6
Long-term liabilities - other	385.0		154.1		819.9		—		1,359.0
Total liabilities	6,650.4		(1,282.6)		3,582.8		—		8,950.6
Shareholders' equity	9,941.5		10,160.1		12,005.0		(22,150.1)		9,956.5
Non-controlling interest	15.0		—		22.1		—		37.1
Total shareholders' equity	$	9,956.5	$	10,160.1	$	12,027.1	$	(22,150.1)	$	9,993.6
Total Liabilities and Shareholders' Equity	$	16,606.9	$	8,877.5	$	15,609.9	$	(22,150.1)	$	18,944.2

Condensed Income Statement

Income Statement for the Three Months Ended March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net sales	$	168.4	$	903.0	$	1,365.0	$	(506.5)	$	1,929.9
Cost of sales	(128.6)		(748.1)		(879.1)		404.6		(1,351.2)
Gross profit	39.8		154.9		485.9		(101.9)		578.7
Total operating expenses	(53.4)		(63.8)		(244.2)		—		(361.4)
Income from operations	(13.6)		91.1		241.7		(101.9)		217.3
Interest (expense) income, net	(51.1)		2.4		(4.6)		—		(53.3)
Other income (expense), net	(32.8)		49.8		(31.8)		—		(14.8)
Equity earnings (loss)	220.7		114.1		—		(334.8)		—
Pretax income (loss)	123.2		257.4		205.3		(436.7)		149.2
Income tax (expense) benefit	(11.7)		22.1		(48.4)		—		(38.0)
Net income (loss)	111.5		279.5		156.9		(436.7)		111.2
Less: Net loss attributable to noncontrolling interest	—		—		0.4		—		0.4
Net income (loss) attributable to Wabtec shareholders	$	111.5	$	279.5	$	157.3	$	(436.7)	$	111.6

Comprehensive income (loss) attributable to Wabtec shareholders	$	111.5	$	279.5	$	(20.7)	$	(436.7)	$	(66.4)

Income Statement for the Three Months Ended March 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net sales	$	193.1	$	128.8	$	1,327.2	$	(55.5)	$	1,593.6
Cost of sales	(157.7)		(82.0)		(998.0)		33.1		(1,204.6)
Gross profit	35.4		46.8		329.2		(22.4)		389.0
Total operating expenses	(97.5)		(15.3)		(208.9)		—		(321.7)
Income from operations	(62.1)		31.5		120.3		(22.4)		67.3
Interest (expense) income, net	(41.6)		3.5		(6.5)		—		(44.6)
Other income (expense), net	20.3		(2.5)		(26.0)		—		(8.2)
Equity earnings (loss)	91.5		79.8		—		(171.3)		—
Pretax income (loss)	8.1		112.3		87.8		(193.7)		14.5
Income tax expense	(12.5)		—		(6.0)		—		(18.5)
Net income	(4.4)		112.3		81.8		(193.7)		(4.0)
Less: Net gain attributable to noncontrolling interest	—		—		(0.5)		—		(0.5)
Net (loss) income attributable to Wabtec shareholders	$	(4.4)	$	112.3	$	81.3	$	(193.7)	$	(4.5)

Comprehensive income (loss) attributable to Wabtec shareholders	$	(4.4)	$	112.3	$	28.9	$	(193.7)	$	(56.9)

Condensed Cash Flow Statement

Condensed Statement of Cash Flows for the Three Months Ended March 31, 2020:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net cash (used for) provided by operating activities	$	(176.8)	$	23.7	$	173.1	$	(101.9)	$	(81.9)
Net cash (used for) provided by investing activities	(8.9)		(6.2)		(47.5)		—		(62.6)
Net cash provided by (used for) financing activities	176.3		(26.4)		(68.3)		101.9		183.5
Effect of changes in currency exchange rates	—		—		(27.3)		—		(27.3)
(Decrease) increase in cash	(9.4)		(8.9)		30.0		—		11.7
Cash, cash equivalents, and restricted cash, beginning of period	24.0		14.7		565.5		—		604.2
Cash and cash equivalents, end of period	$	14.6	$	5.8	$	595.5	$	—	$	615.9

Condensed Statement of Cash Flows for the Three Months Ended March 31, 2019:


In millions	Parent		Guarantors		Non-Guarantors		Elimination		Consolidated
Net cash (used for) provided by operating activities	$	(118.4)	$	24.1	$	148.0	$	(22.4)	$	31.3
Net cash provided by (used for) investing activities	6,898.0		(1.6)		(9,636.0)		—		(2,739.6)
Net cash (used for) provided by financing activities	(8,557.0)		(22.5)		9,440.1		22.4		883.0
Effect of changes in currency exchange rates	—		—		(4.2)		—		(4.2)
(Decrease) increase in cash	(1,777.4)		—		(52.1)		—		(1,829.5)
Cash, cash equivalents, and restricted cash, beginning of period	1,782.7		—		559.7		—		2,342.4
Cash and cash equivalents, end of period	$	5.3	$	—	$	507.6	$	—	$	512.9

Other Expense, Net (Tables)

3 Months Ended

Mar. 31, 2020

Other Income and Expenses [Abstract]

Components of Other Expense, Net

The components of other expense, net are as follows:


	Three Months Ended March 31,
In millions	2020		2019
Foreign currency loss	$	(13.8)	$	(12.6)
Equity (expense) income	(0.9)		0.9
Expected return on pension assets/amortization	2.4		3.4
Other miscellaneous (expense) income	(2.5)		0.1
Total other expense, net	$	(14.8)	$	(8.2)

Business (Detail)	3 Months Ended
Business (Detail)	Mar. 31, 2020 country
Product Information [Line Items]
Number of countries company operates	50
Sales Revenue Outside United States \| Geographic Concentration Risk \| Non-US
Product Information [Line Items]
Percent of revenue from customers outside the U.S. (as a percent)	59.00%
Minimum
Product Information [Line Items]
Number of countries where product is found (more than)	100

Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Noncurrent contract assets	$ 106.3	$ 109.4
Noncurrent contract liabilities	57.7	77.0
Provisions for loss contracts	$ 100.6	$ 118.5

Accounting Policies - Remaining Performance Obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 $ in Billions	Mar. 31, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations, amount	$ 20.6
Remaining performance obligation percentage expected to be recognized	25.00%
Performance obligation period	12 months

Accounting Policies - Accumulated Other Comprehensive Loss by Component, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 9,993.6	$ 2,869.1
Other comprehensive income (loss) before reclassifications	(178.7)	(53.0)
Amounts reclassified from accumulated other comprehensive income	0.7	0.6
Net current period other comprehensive income (loss)	(178.0)	(52.4)
Ending Balance	9,797.7	9,780.4
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(308.6)	(202.2)
Other comprehensive income (loss) before reclassifications	(181.4)	(46.6)
Amounts reclassified from accumulated other comprehensive income	0.0	0.0
Net current period other comprehensive income (loss)	(181.4)	(46.6)
Ending Balance	(490.0)	(248.8)
Derivative contracts
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(3.3)	(0.1)
Other comprehensive income (loss) before reclassifications	6.1	(3.1)
Amounts reclassified from accumulated other comprehensive income	0.0	0.0
Net current period other comprehensive income (loss)	6.1	(3.1)
Ending Balance	2.8	(3.2)
Pension and post retirement benefit plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(70.7)	(54.3)
Other comprehensive income (loss) before reclassifications	(3.4)	(3.3)
Amounts reclassified from accumulated other comprehensive income	0.7	0.6
Net current period other comprehensive income (loss)	(2.7)	(2.7)
Ending Balance	(73.4)	(57.0)
AOCI Attributable to Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(382.6)	(256.6)
Net current period other comprehensive income (loss)	(178.0)	(52.4)
Ending Balance	$ (560.6)	$ (309.0)

Accounting Policies - Reclassifications Out of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Other income (expense), net	$ (14.8)	$ (8.2)
Income tax expense	(38.0)	(18.5)
Net income (loss)	111.2	(4.0)
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]
Other income (expense), net	1.0	0.7
Income tax expense	(0.3)	(0.2)
Net income (loss)	0.7	0.5
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]
Other income (expense), net	(0.4)	(0.4)
Reclassification out of Accumulated Other Comprehensive Income \| Amortization of net loss
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income On Derivatives [Line Items]
Other income (expense), net	$ 1.4	$ 1.1

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4J
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Paragraph 2
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686

+ Details

Acquisitions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended
	Sep. 12, 2019	Aug. 09, 2019	Feb. 25, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	May 06, 2019	Apr. 30, 2019	Feb. 22, 2019
Business Acquisition [Line Items]
Common stock, shares outstanding (in shares)				190,277,837		191,699,193
Preferred stock, shares outstanding (in shares)				0		0
Common stock, shares issued (in shares)				226,947,180		226,947,180
Preferred stock, shares issued (in shares)				0		0
Common Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)							3,515,500
GE Transportation
Business Acquisition [Line Items]
Consideration transferred			$ 2,875.0
Total future consideration			470.0
Business combination, consideration transferred			$ 10,300.0
Closing share price (in USD per share)									$ 73.36
Change in estimated fair values for assets acquired				$ 14.0
GE Transportation \| Convertible Preferred Stock
Business Acquisition [Line Items]
Shares issuable (in shares)			10,000
GE Transportation \| SpinCo Class B Preferred Stock
Business Acquisition [Line Items]
Total future consideration			$ 10.0
GE Transportation \| GE and Pre-Merger Holders
Business Acquisition [Line Items]
Percentage of outstanding shares transferred			49.20%
GE Transportation \| General Electric Company
Business Acquisition [Line Items]
Percentage of outstanding shares transferred			9.90%
GE Transportation \| General Electric Company \| Convertible Preferred Stock
Business Acquisition [Line Items]
Percentage of outstanding shares transferred			15.00%
GET Brazil
Business Acquisition [Line Items]
Noncontrolling interest acquired								$ 56.2
General Electric Company
Business Acquisition [Line Items]
Noncontrolling interest acquired			$ 88.3
Other noncurrent liabilities			661.0
General Electric Company \| Customer Contracts
Business Acquisition [Line Items]
Other noncurrent liabilities			$ 524.6
Wabtec \| Series A Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)				15,000
Wabtec \| GE Transportation \| SpinCo Class B Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)			10,000
Pre-merger Wabtec Stockholders \| GE Transportation
Business Acquisition [Line Items]
Percentage of outstanding shares transferred			50.80%
General Electric Company
Business Acquisition [Line Items]
Total future consideration					$ 2,885.0
Common stock, shares issued (in shares)						19,018,207
Preferred stock, shares issued (in shares)						10,000
General Electric Company \| General Electric Company
Business Acquisition [Line Items]
Common stock, shares issued (in shares)						46,763,975
General Electric Company \| GE Transportation \| SpinCo Common Stock
Business Acquisition [Line Items]
Common stock, shares outstanding (in shares)			8,700,000,000
General Electric Company \| GE Transportation \| Series A Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)							8,780
General Electric Company \| GE Transportation \| Common Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)							25,300,000
Number of shares sold (in shares)	2,048,515	16,969,656
General Electric Company \| GE Transportation \| SpinCo Class A Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)			15,000
General Electric Company \| GE Transportation \| SpinCo Class B Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)			10,000
General Electric Company \| GE Transportation \| SpinCo Class C Preferred Stock
Business Acquisition [Line Items]
Preferred stock, shares outstanding (in shares)			1

Acquisitions - Summary of Preliminary Estimated Fair Values of GET Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Feb. 25, 2019
Assets acquired
Goodwill	$ 8,273.7	$ 8,360.6
General Electric Company
Assets acquired
Cash and cash equivalents			$ 177.2
Accounts receivable			541.3
Inventories			1,189.7
Other current assets			71.5
Property, plant, and equipment			1,088.6
Goodwill			5,978.0
Other noncurrent assets			321.2
Total assets acquired			12,602.5
Liabilities assumed
Current liabilities			1,594.2
Contingent consideration			440.0
Other noncurrent liabilities			661.0
Total liabilities assumed			2,695.2
Net assets acquired			9,907.3
Noncontrolling interest			88.3
General Electric Company \| Trade Names
Assets acquired
Intangible assets acquired			55.0
General Electric Company \| Customer relationships
Assets acquired
Intangible assets acquired			550.0
General Electric Company \| Patents
Assets acquired
Intangible assets acquired			1,180.0
General Electric Company \| Backlog
Assets acquired
Intangible assets acquired			$ 1,450.0

Acquisitions - Pro Forma Financial Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Business Combinations [Abstract]
Net sales	$ 1,929.9	$ 2,069.2
Gross profit	578.7	454.3
Net income attributable to Wabtec shareholders	$ 111.6	$ (53.7)
Diluted earnings per share
As Reported (in dollars per share)	$ 0.58	$ (0.04)
Pro forma (in dollars per share)	$ 0.58	$ (0.44)

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(23))
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
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-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 220
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(19))
-URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263

+ Details

Inventories (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 767.2	$ 786.4
Work-in-progress	370.0	374.0
Finished goods	648.5	612.7
Total inventories	$ 1,785.7	$ 1,773.1

Intangibles - Change in the Carrying Amount of Goodwill by Segment (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 8,360.6
Additions	(3.7)
Foreign currency impact	(83.2)
Ending balance	8,273.7
Freight Segment
Goodwill [Roll Forward]
Beginning balance	6,876.6
Additions	(3.7)
Foreign currency impact	(62.8)
Ending balance	6,810.1
Transit Segment
Goodwill [Roll Forward]
Beginning balance	1,484.0
Additions	0.0
Foreign currency impact	(20.4)
Ending balance	$ 1,463.6

Intangibles - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Intangible Assets Disclosure [Line Items]
Trade names	$ 614.2		$ 623.1
Intangible assets, amortization expense	$ 69.0	$ 27.4
Trade Names
Intangible Assets Disclosure [Line Items]
Trade names, useful life	5 years
Backlog
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	14 years
Patents
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	13 years
Customer relationships
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	17 years
Other Intangibles
Intangible Assets Disclosure [Line Items]
Intangible assets, weighted average useful life (years)	9 years

Intangibles - Intangible Assets Other Than Goodwill and Trade Names (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	$ 3,395.8	$ 3,480.9
Intellectual property, patents, non-compete and other intangibles
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	1,083.5	1,108.9
Intangible assets, accumulated amortization	147.8	123.8
Backlog
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	1,312.4	1,342.1
Intangible assets, accumulated amortization	119.0	92.0
Customer relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	999.9	1,029.9
Intangible assets, accumulated amortization	$ 222.2	$ 212.9

Intangibles - Amortization Expense (Detail) $ in Millions	Mar. 31, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2020	$ 212.5
2021	277.9
2022	277.5
2023	276.9
2024	$ 267.5

Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Contract Assets
Balance at beginning of year	$ 623.4	$ 345.6
Acquisitions	4.1	238.7
Recognized in current year	293.0	188.3
Reclassified to accounts receivable	(282.9)	(197.0)
Foreign currency impact	(8.3)	(0.8)
Balance at end of period	629.3	574.8
Contract Liabilities
Balance at beginning of year	799.7	444.8
Acquisitions	6.9	274.1
Recognized in current year	290.2	205.3
Amounts in beginning balance reclassified to revenue	(317.6)	(204.4)
Current year amounts reclassified to revenue	(11.8)	(6.4)
Foreign currency impact	(6.2)	(0.4)
Balance at end of period	$ 761.2	$ 713.0

Leases - Narrative (Details)	Mar. 31, 2020
Minimum
Lessee, Lease, Description [Line Items]
Discount rate	1.00%
Maximum
Lessee, Lease, Description [Line Items]
Discount rate	12.30%

Leases - Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended
Leases - Lease Expense (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating lease expense	$ 14.7	$ 13.4
Finance lease expense amortization of leased assets	0.3	0.3
Short-term and variable lease expense	0.1	0.1
Sublease income	(0.1)	(0.1)
Total	$ 15.0	$ 13.7

Leases - Maturity of Lease Liabilities (Details) $ in Millions	Mar. 31, 2020 USD ($)
Operating Leases
Remaining 2020	$ 41.4
2021	47.6
2022	40.5
2023	34.5
2024	30.3
Thereafter	103.1
Total lease payments	297.4
Less: Present value discount	(27.9)
Present value lease liabilities	269.5
Finance Leases
Remaining 2020	0.3
2021	0.2
2022	0.2
2023	0.2
2024	0.1
Thereafter	0.2
Total lease payments	1.2
Less: Present value discount	0.0
Present value lease liabilities	1.2
Total
Remaining 2020	41.7
2021	47.8
2022	40.7
2023	34.7
2024	30.4
Thereafter	103.3
Total lease payments	298.6
Less: Present value discount	(27.9)
Present value lease liabilities	$ 270.7

Leases - Lease Term and Discount Rate (Details)	Mar. 31, 2020
Weighted-average remaining lease term (years)
Operating leases	7 years 8 months 12 days
Finance leases	5 years
Weighted-average discount rate
Operating leases	3.00%
Finance leases	1.30%

Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total	$ 4,747.9	$ 4,429.3
Less - current portion	92.8	95.7
Long-term portion	4,655.1	4,333.6
Fair Value
Debt Instrument [Line Items]
Total	4,517.6	4,655.4
Less - current portion	92.8	95.7
Long-term portion	4,424.8	4,559.7
Other Borrowings
Debt Instrument [Line Items]
Total	29.5	32.4
Other Borrowings \| Fair Value
Debt Instrument [Line Items]
Total	$ 29.5	32.4
U.S. Dollar-Denominated Term Loans \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	3.00%
Total	$ 666.5	684.7
Unamortized debt issuance cost	1.0	1.1
U.S. Dollar-Denominated Term Loans \| Line of Credit \| Revolving Credit Facility \| Fair Value
Debt Instrument [Line Items]
Total	$ 666.5	684.7
Multi-Currency Revolving Loan Facility \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	2.70%
Total	$ 570.2	231.5
Unamortized debt issuance cost	0.8	0.9
Multi-Currency Revolving Loan Facility \| Line of Credit \| Revolving Credit Facility \| Fair Value
Debt Instrument [Line Items]
Total	$ 570.2	231.5
Floating Rate Notes, due 2021 \| Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	2.30%
Total	$ 498.3	498.0
Unamortized debt issuance cost	1.7	2.0
Floating Rate Notes, due 2021 \| Senior Notes \| Fair Value
Debt Instrument [Line Items]
Total	$ 496.4	500.0
4.375% Senior Notes, due 2023 \| Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	4.50%
Total	$ 249.1	249.1
Stated interest rate (as a percent)	4.375%
Unamortized debt issuance cost	$ 0.9	0.9
4.375% Senior Notes, due 2023 \| Senior Notes \| Fair Value
Debt Instrument [Line Items]
Total	$ 253.4	263.9
4.150 Percent Senior Notes Due Twenty Thousand and Twenty Four \| Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	4.60%
Total	$ 744.7	744.3
Stated interest rate (as a percent)	4.15%
Unamortized debt issuance cost	$ 5.3	5.7
4.150 Percent Senior Notes Due Twenty Thousand and Twenty Four \| Senior Notes \| Fair Value
Debt Instrument [Line Items]
Total	$ 713.7	805.5
4.70 Percent Senior Notes Due Twenty Thousand and Twenty Six \| Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	5.00%
Total	$ 1,241.0	1,240.8
Stated interest rate (as a percent)	4.70%
Unamortized debt issuance cost	$ 9.0	9.2
4.70 Percent Senior Notes Due Twenty Thousand and Twenty Six \| Senior Notes \| Fair Value
Debt Instrument [Line Items]
Total	$ 1,114.5	1,378.3
3.45% Senior Notes, due 2026 \| Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	3.50%
Total	$ 748.6	748.5
Stated interest rate (as a percent)	3.45%
Unamortized debt issuance cost	$ 1.4	1.5
3.45% Senior Notes, due 2026 \| Senior Notes \| Fair Value
Debt Instrument [Line Items]
Total	$ 673.4	$ 759.1

Long-Term Debt - Additional Information (Details) - USD ($)		3 Months Ended
	Apr. 10, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 08, 2018
Debt Instrument [Line Items]
Unamortized debt issuance costs		$ 20,100,000	$ 21,300,000
Interest rate on notional value (as a percent)		2.70%
Maximum borrowing capacity		$ 1,200,000,000.0
Long-term debt		$ 4,747,900,000	4,429,300,000
Senior Notes
Debt Instrument [Line Items]
Debt issuance price (as a percent)		100.00%
Senior Notes \| Floating Rate Notes, due 2021
Debt Instrument [Line Items]
Long-term debt		$ 498,300,000	498,000,000.0
Senior Notes \| 3.45% Senior Notes, due 2026
Debt Instrument [Line Items]
Stated interest rate (as a percent)		3.45%
Long-term debt		$ 748,600,000	748,500,000
Senior Notes \| 4.375% Senior Notes, due 2023
Debt Instrument [Line Items]
Stated interest rate (as a percent)		4.375%
Long-term debt		$ 249,100,000	$ 249,100,000
Line of Credit \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 600,000,000
Debt instrument, term	364 days
Line of Credit \| Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 144,000,000.0
Line of Credit \| 2018 Refinancing Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 1,200,000,000.0
Line of Credit \| 2018 Refinancing Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity				450,000,000.0
Line of Credit \| 2018 Refinancing Credit Agreement \| Swing Line Sub Facility
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 75,000,000.0
Line of Credit \| Term Loan \| Subsequent Event
Debt Instrument [Line Items]
Long-term debt	$ 456,000,000.0

Long-Term Debt - Schedule of Line of Credit Facilities (Details)	Mar. 31, 2020 USD ($)
Debt Instrument [Line Items]
Maximum Availability	$ 1,200,000,000.0
Outstanding Borrowings	570,200,000
Current Availability	597,500,000
Line of Credit
Debt Instrument [Line Items]
Letters of Credit Under Revolving Facility	$ 32,300,000

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References + Details

Long-Term Debt - Interest Coverage Ratio & Leverage Ratio (Details) - 2018 Refinancing Credit Agreement	3 Months Ended
	Mar. 31, 2020
Debt Instrument [Line Items]
Interest coverage ratio	3.0
Leverage ratio	3.25
Leverage ratio temporary increase	3.5

Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 7.3	$ 8.5
Unamortized compensation expense expected to be vested	$ 62.0
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	3 years
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 (as a percent)			100.00%	108.00%	111.00%
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 (as a percent)	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 (as a percent)	200.00%
2011 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for grant (in shares)	3,800,000
2011 Plan \| Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	4 years
Plan term (in years)	10 years
2011 Plan \| Restricted Stock \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	3 years
2011 Plan \| Restricted Stock \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	4 years
2000 Plan \| Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	3 years
Directors Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period (in years)	1 year

Stock-Based Compensation - Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Options
Beginning balance (in shares)	588,024
Granted (in shares)	131,556
Exercised (in shares)	(11,440)
Canceled (in shares)	(3,531)
Ending balance (in shares)	704,609	588,024
Exercisable at period end (in shares)	448,375
Weighted Average Exercise Price
Beginning balance (in dollars per share)	$ 63.36
Granted (in dollars per share)	78.33
Exercised (in dollars per share)	37.84
Canceled (in dollars per share)	72.64
Ending balance (in dollars per share)	66.52	$ 63.36
Exercisable (in dollars per share)	$ 53.22
Weighted Average Remaining Contractual Life
Outstanding, weighted average remaining contractual life (in years)	6 years 3 months 18 days	5 years 8 months 12 days
Exercisable weighted average remaining contractual life (in years)	5 years 2 months 12 days
Aggregate Intrinsic Value
Beginning balance	$ 8.5
Granted
Exercised
Canceled
Ending balance	1.8	$ 8.5
Exercisable	$ 1.8

Stock-Based Compensation - Fair Value of Each Option Grant Weighted Average Assumptions (Detail)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Payment Arrangement [Abstract]
Dividend yield (as a percent)	0.60%	0.66%
Risk-free interest rate (as a percent)	1.56%	2.63%
Stock price volatility (as a percent)	27.90%	25.80%
Expected life (years)	5 years	5 years

Stock-Based Compensation - Restricted Stock Activity and Incentive Stock Awards Activity (Detail)	3 Months Ended
	Mar. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding, beginning of period (in dollars per share) \| $ / shares	$ 73.64
Granted (in dollars per share) \| $ / shares	78.34
Vested (in dollars per share) \| $ / shares	76.89
Adjustment for incentive stock awards expected to vest (in dollars per share) \| $ / shares	85.97
Canceled (in dollars per share) \| $ / shares	69.45
Outstanding, end of period (in dollars per share) \| $ / shares	$ 74.12
Restricted Stock and Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning of period (in shares)	791,031
Granted (in shares)	189,734
Vested (in shares)	(270,288)
Adjustment for incentive stock awards expected to vest (in shares)	0
Canceled (in shares)	(14,183)
Outstanding, end of period (in shares)	696,294
Incentive Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning of period (in shares)	572,002
Granted (in shares)	238,277
Vested (in shares)	(147,069)
Adjustment for incentive stock awards expected to vest (in shares)	(6,744)
Canceled (in shares)	(5,367)
Outstanding, end of period (in shares)	651,099

Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended
Income Taxes (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Effective tax rate	25.50%	127.70%
Unrecognized tax benefits	$ 17.0		$ 17.2
Unrecognized tax benefits if recognized that would affect effective tax rate	17.0		17.2
Interest and penalties accrued	4.0		$ 4.0
Unrecognized tax benefits subject to change within the next 12 months	$ 7.4

Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator
Net income (loss) attributable to Wabtec shareholders	$ 111.6	$ (4.5)
Less: dividends declared - common shares and non-vested restricted stock	(23.0)	(11.7)
Undistributed earnings	$ 88.6	$ (16.2)
Percentage allocated to common shareholders (as a percent)	99.70%	99.70%
Add: dividends declared - common shares	$ 22.9	$ 11.6
Undistributed earnings allocated to common shareholders	88.3	(16.2)
Numerator for diluted earnings per common share	$ 111.2	$ (4.6)
Denominator
Basic weighted average common shares outstanding (in shares)	190.8	121.2
Assumed conversion of dilutive stock-based compensation plans (in shares)	0.6	0.0
Denominator for diluted earnings per common share - adjusted weighted average shares and assumed conversion (in shares)	191.4	121.2
Net income attributable to Wabtec shareholders per common share
Basic (in dollars per share)	$ 0.58	$ (0.04)
Diluted (in dollars per share)	$ 0.58	$ (0.04)
Basic weighted-average common shares outstanding and non-vested restricted stock expected to vest (in shares)	191.4	121.6

Warranties (Detail) - USD ($) $ in Millions	3 Months Ended
Warranties (Detail) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of year	$ 267.7	$ 153.7
Acquisitions	4.3	89.9
Warranty expense	22.7	34.6
Warranty claim payments	(34.0)	(27.8)
Foreign currency impact/other	(3.3)	(1.1)
Balance at end of period	$ 257.4	$ 249.3

Derivative Financial Instruments and Hedging - Additional Information (Details) - Foreign Exchange Forward $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Non-Designated
Derivative [Line Items]
Derivative term (in years)	1 year
Unrealized gain (loss) on derivative contracts	$ 1.6
Cash Flow Hedging \| Designated
Derivative [Line Items]
Derivative term (in years)	2 years

Derivative Financial Instruments and Hedging - Summary of Notional Amounts and Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Designated
Derivative [Line Items]
Total	$ (7.0)	$ (8.0)
Gross Notional Amount	3,903.2	4,174.4
Designated \| Other current assets \| Foreign Exchange Contracts
Derivative [Line Items]
Derivative asset fair value	6.4	11.2
Gross Notional Amount	2,145.2	2,429.0
Designated \| Other current liabilities \| Foreign Exchange Contracts
Derivative [Line Items]
Liabilities at fair value	(9.3)	(9.8)
Gross Notional Amount	1,200.9	1,184.6
Designated \| Other current liabilities \| Cross-currency Swaps
Derivative [Line Items]
Liabilities at fair value	(4.1)	(9.4)
Gross Notional Amount	557.1	560.8
Non-Designated
Derivative [Line Items]
Total	4.4	1.4
Gross Notional Amount	292.4	412.9
Non-Designated \| Other current assets \| Foreign Exchange Contracts
Derivative [Line Items]
Derivative asset fair value	4.4	1.4
Gross Notional Amount	292.4	412.9
Non-Designated \| Other current liabilities \| Foreign Exchange Contracts
Derivative [Line Items]
Liabilities at fair value	0.0	0.0
Gross Notional Amount	0.0	0.0
Non-Designated \| Other current liabilities \| Cross-currency Swaps
Derivative [Line Items]
Liabilities at fair value	0.0	0.0
Gross Notional Amount	$ 0.0	$ 0.0

Fair Value Measurement and Fair Value of Financial Instruments - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) $ in Millions	Mar. 31, 2020 USD ($)
Foreign Exchange Contracts
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	$ 10.8
Other current liabilities	9.3
Foreign Exchange Contracts \| (Level 1)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	0.0
Other current liabilities	0.0
Foreign Exchange Contracts \| (Level 2)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	10.8
Other current liabilities	9.3
Foreign Exchange Contracts \| (Level 3)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	0.0
Other current liabilities	0.0
Cross-currency Swaps
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	4.1
Cross-currency Swaps \| (Level 1)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	0.0
Cross-currency Swaps \| (Level 2)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	4.1
Cross-currency Swaps \| (Level 3)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	$ 0.0

Fair Value Measurement and Fair Value of Financial Instruments - Narrative (Details) - General Electric Company - USD ($) $ in Millions	Mar. 31, 2020	Feb. 25, 2019
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Contingent consideration		$ 440.0
(Level 3) \| Other Accrued Liabilities
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Contingent consideration	$ 160.0
(Level 3) \| Contingent Consideration Liability
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Contingent consideration	$ 294.7

Commitments and Contingencies (Details) $ in Millions	Sep. 08, 2017 USD ($)
Denver Transit, Installation of Constant Wireless Crossings \| Threatened Litigation \| Subsidiaries
Loss Contingencies [Line Items]
Damages alleged	$ 36.8

Segment Information - Additional Information (Detail)	3 Months Ended
Segment Information - Additional Information (Detail)	Mar. 31, 2020 segment
Segment Reporting [Abstract]
Number of reportable segments	2

Segment Information - Segment Financial Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total sales	$ 1,929.9	$ 1,593.6
Income (loss) from operations	217.3	67.3
Interest expense and other, net	(68.1)	(52.8)
Income (loss) from operations before income taxes	149.2	14.5
Freight Segment
Segment Reporting Information [Line Items]
Total sales	1,301.0	915.5
Transit Segment
Segment Reporting Information [Line Items]
Total sales	628.9	678.1
Operating Segments \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	1,313.5	931.2
Income (loss) from operations	161.7	80.9
Interest expense and other, net	0.0	0.0
Income (loss) from operations before income taxes	161.7	80.9
Operating Segments \| Transit Segment
Segment Reporting Information [Line Items]
Total sales	638.0	682.2
Income (loss) from operations	68.6	59.9
Interest expense and other, net	0.0	0.0
Income (loss) from operations before income taxes	68.6	59.9
Corporate Activities and Elimination
Segment Reporting Information [Line Items]
Total sales	(21.6)	(19.8)
Income (loss) from operations	(13.0)	(73.5)
Interest expense and other, net	(68.1)	(52.8)
Income (loss) from operations before income taxes	(81.1)	(126.3)
Corporate Activities and Elimination \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	12.5	15.7
Corporate Activities and Elimination \| Transit Segment
Segment Reporting Information [Line Items]
Total sales	$ 9.1	$ 4.1

Segment Information - Sales by Product (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total sales	$ 1,929.9	$ 1,593.6
Freight Segment
Segment Reporting Information [Line Items]
Total sales	1,301.0	915.5
Transit Segment
Segment Reporting Information [Line Items]
Total sales	628.9	678.1
Equipment \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	408.0	267.1
Components \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	220.4	295.2
Digital Electronics \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	173.6	121.8
Services
Segment Reporting Information [Line Items]
Total sales	339.1	159.1
Services \| Freight Segment
Segment Reporting Information [Line Items]
Total sales	499.0	231.4
Original Equipment Manufacturer \| Transit Segment
Segment Reporting Information [Line Items]
Total sales	287.0	327.3
Aftermarket \| Transit Segment
Segment Reporting Information [Line Items]
Total sales	$ 341.9	$ 350.8

Guarantor Subsidiaries Financial Information - Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items]
Preferred stock, outstanding (in shares)	0	0
Cash and cash equivalents	$ 615.9	$ 604.2	$ 512.9	$ 2,342.4
Receivables, net	1,672.0	1,663.9
Inventories	1,785.7	1,773.1
Current assets - other	167.5	150.9
Total current assets	4,241.1	4,192.1
Property, plant and equipment, net	1,623.0	1,655.8
Goodwill	8,273.7	8,360.6
Investment in subsidiaries	0.0	0.0
Other intangibles, net	4,010.0	4,104.0
Other long-term assets	625.3	631.7
Total Assets	18,773.1	18,944.2
Current liabilities	2,981.6	3,258.0
Inter-company	0.0	0.0
Long-term debt	4,655.1	4,333.6
Long-term liabilities - other	1,338.7	1,359.0
Total Liabilities	8,975.4	8,950.6
Shareholders' equity	9,761.8	9,956.5
Noncontrolling interest	35.9	37.1
Total Equity	9,797.7	9,993.6	9,780.4	2,869.1
Total Liabilities and Equity	18,773.1	18,944.2
Elimination
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0.0	0.0	0.0	0.0
Receivables, net	0.0	0.0
Inventories	0.0	0.0
Current assets - other	0.0	0.0
Total current assets	0.0	0.0
Property, plant and equipment, net	0.0	0.0
Goodwill	0.0	0.0
Investment in subsidiaries	(22,337.0)	(22,150.1)
Other intangibles, net	0.0	0.0
Other long-term assets	0.0	0.0
Total Assets	(22,337.0)	(22,150.1)
Current liabilities	0.0	0.0
Inter-company	0.0	0.0
Long-term debt	0.0	0.0
Long-term liabilities - other	0.0	0.0
Total Liabilities	0.0	0.0
Shareholders' equity	(22,337.0)	(22,150.1)
Noncontrolling interest	0.0	0.0
Total Equity	(22,337.0)	(22,150.1)
Total Liabilities and Equity	(22,337.0)	(22,150.1)
Parent \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	14.6	24.0	5.3	1,782.7
Receivables, net	130.3	103.5
Inventories	137.7	135.3
Current assets - other	0.3	(0.8)
Total current assets	282.9	262.0
Property, plant and equipment, net	78.8	73.2
Goodwill	527.4	564.1
Investment in subsidiaries	15,638.8	15,566.2
Other intangibles, net	36.5	35.8
Other long-term assets	103.6	105.6
Total Assets	16,668.0	16,606.9
Current liabilities	503.0	586.0
Inter-company	1,382.0	1,357.6
Long-term debt	4,643.4	4,321.8
Long-term liabilities - other	378.0	385.0
Total Liabilities	6,906.4	6,650.4
Shareholders' equity	9,746.6	9,941.5
Noncontrolling interest	15.0	15.0
Total Equity	9,761.6	9,956.5
Total Liabilities and Equity	16,668.0	16,606.9
Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	5.8	14.7	0.0	0.0
Receivables, net	316.5	298.2
Inventories	759.5	763.1
Current assets - other	29.4	22.0
Total current assets	1,111.2	1,098.0
Property, plant and equipment, net	68.0	65.0
Goodwill	284.2	283.2
Investment in subsidiaries	6,698.2	6,583.9
Other intangibles, net	760.2	731.2
Other long-term assets	115.9	116.2
Total Assets	9,037.7	8,877.5
Current liabilities	1,042.2	1,109.6
Inter-company	(2,763.0)	(2,546.3)
Long-term debt	0.0	0.0
Long-term liabilities - other	128.4	154.1
Total Liabilities	(1,592.4)	(1,282.6)
Shareholders' equity	10,630.1	10,160.1
Noncontrolling interest	0.0	0.0
Total Equity	10,630.1	10,160.1
Total Liabilities and Equity	9,037.7	8,877.5
Non-Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	595.5	565.5	$ 507.6	$ 559.7
Receivables, net	1,225.2	1,262.2
Inventories	888.5	874.7
Current assets - other	137.8	129.7
Total current assets	2,847.0	2,832.1
Property, plant and equipment, net	1,476.2	1,517.6
Goodwill	7,462.1	7,513.3
Investment in subsidiaries	0.0	0.0
Other intangibles, net	3,213.3	3,337.0
Other long-term assets	405.8	409.9
Total Assets	15,404.4	15,609.9
Current liabilities	1,436.4	1,562.4
Inter-company	1,381.0	1,188.7
Long-term debt	11.7	11.8
Long-term liabilities - other	832.3	819.9
Total Liabilities	3,661.4	3,582.8
Shareholders' equity	11,722.1	12,005.0
Noncontrolling interest	20.9	22.1
Total Equity	11,743.0	12,027.1
Total Liabilities and Equity	$ 15,404.4	$ 15,609.9
Series A Preferred Stock \| Wabtec
Condensed Financial Statements, Captions [Line Items]
Preferred stock, outstanding (in shares)	15,000

Guarantor Subsidiaries Financial Information - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Financial Statements, Captions [Line Items]
Total net sales	$ 1,929.9	$ 1,593.6
Total cost of sales	(1,351.2)	(1,204.6)
Gross profit	578.7	389.0
Total operating expenses	(361.4)	(321.7)
Income from operations	217.3	67.3
Interest expense, net	(53.3)	(44.6)
Other expense, net	(14.8)	(8.2)
Equity earnings (loss)	0.0	0.0
Income from operations before income taxes	149.2	14.5
Income tax (expense) benefit	(38.0)	(18.5)
Net income (loss)	111.2	(4.0)
Less: Net loss (gain) attributable to noncontrolling interest	0.4	(0.5)
Net income (loss) attributable to Wabtec shareholders	111.6	(4.5)
Comprehensive income (loss) attributable to Wabtec shareholders	(66.4)	(56.9)
Elimination
Condensed Financial Statements, Captions [Line Items]
Total net sales	(506.5)	(55.5)
Total cost of sales	404.6	33.1
Gross profit	(101.9)	(22.4)
Total operating expenses	0.0	0.0
Income from operations	(101.9)	(22.4)
Interest expense, net	0.0	0.0
Other expense, net	0.0	0.0
Equity earnings (loss)	(334.8)	(171.3)
Income from operations before income taxes	(436.7)	(193.7)
Income tax (expense) benefit	0.0	0.0
Net income (loss)	(436.7)	(193.7)
Less: Net loss (gain) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Wabtec shareholders	(436.7)	(193.7)
Comprehensive income (loss) attributable to Wabtec shareholders	(436.7)	(193.7)
Parent \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Total net sales	168.4	193.1
Total cost of sales	(128.6)	(157.7)
Gross profit	39.8	35.4
Total operating expenses	(53.4)	(97.5)
Income from operations	(13.6)	(62.1)
Interest expense, net	(51.1)	(41.6)
Other expense, net	(32.8)	20.3
Equity earnings (loss)	220.7	91.5
Income from operations before income taxes	123.2	8.1
Income tax (expense) benefit	(11.7)	(12.5)
Net income (loss)	111.5	(4.4)
Less: Net loss (gain) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Wabtec shareholders	111.5	(4.4)
Comprehensive income (loss) attributable to Wabtec shareholders	111.5	(4.4)
Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Total net sales	903.0	128.8
Total cost of sales	(748.1)	(82.0)
Gross profit	154.9	46.8
Total operating expenses	(63.8)	(15.3)
Income from operations	91.1	31.5
Interest expense, net	2.4	3.5
Other expense, net	49.8	(2.5)
Equity earnings (loss)	114.1	79.8
Income from operations before income taxes	257.4	112.3
Income tax (expense) benefit	22.1	0.0
Net income (loss)	279.5	112.3
Less: Net loss (gain) attributable to noncontrolling interest	0.0	0.0
Net income (loss) attributable to Wabtec shareholders	279.5	112.3
Comprehensive income (loss) attributable to Wabtec shareholders	279.5	112.3
Non-Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Total net sales	1,365.0	1,327.2
Total cost of sales	(879.1)	(998.0)
Gross profit	485.9	329.2
Total operating expenses	(244.2)	(208.9)
Income from operations	241.7	120.3
Interest expense, net	(4.6)	(6.5)
Other expense, net	(31.8)	(26.0)
Equity earnings (loss)	0.0	0.0
Income from operations before income taxes	205.3	87.8
Income tax (expense) benefit	(48.4)	(6.0)
Net income (loss)	156.9	81.8
Less: Net loss (gain) attributable to noncontrolling interest	0.4	(0.5)
Net income (loss) attributable to Wabtec shareholders	157.3	81.3
Comprehensive income (loss) attributable to Wabtec shareholders	$ (20.7)	$ 28.9

Guarantor Subsidiaries Financial Information - Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Financial Statements, Captions [Line Items]
Net cash (used for) provided by operating activities	$ (81.9)	$ 31.3
Net cash (used for) provided by investing activities	(62.6)	(2,739.6)
Net cash provided by (used for) financing activities	183.5	883.0
Effect of changes in currency exchange rates	(27.3)	(4.2)
Increase (decrease) in cash	11.7	(1,829.5)
Cash, cash equivalents, and restricted cash, beginning of period	604.2	2,342.4
Cash and cash equivalents, end of period	615.9	512.9
Elimination
Condensed Financial Statements, Captions [Line Items]
Net cash (used for) provided by operating activities	(101.9)	(22.4)
Net cash (used for) provided by investing activities	0.0	0.0
Net cash provided by (used for) financing activities	101.9	22.4
Effect of changes in currency exchange rates	0.0	0.0
Increase (decrease) in cash	0.0	0.0
Cash, cash equivalents, and restricted cash, beginning of period	0.0	0.0
Cash and cash equivalents, end of period	0.0	0.0
Parent \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash (used for) provided by operating activities	(176.8)	(118.4)
Net cash (used for) provided by investing activities	(8.9)	6,898.0
Net cash provided by (used for) financing activities	176.3	(8,557.0)
Effect of changes in currency exchange rates	0.0	0.0
Increase (decrease) in cash	(9.4)	(1,777.4)
Cash, cash equivalents, and restricted cash, beginning of period	24.0	1,782.7
Cash and cash equivalents, end of period	14.6	5.3
Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash (used for) provided by operating activities	23.7	24.1
Net cash (used for) provided by investing activities	(6.2)	(1.6)
Net cash provided by (used for) financing activities	(26.4)	(22.5)
Effect of changes in currency exchange rates	0.0	0.0
Increase (decrease) in cash	(8.9)	0.0
Cash, cash equivalents, and restricted cash, beginning of period	14.7	0.0
Cash and cash equivalents, end of period	5.8	0.0
Non-Guarantors \| Reportable Legal Entities
Condensed Financial Statements, Captions [Line Items]
Net cash (used for) provided by operating activities	173.1	148.0
Net cash (used for) provided by investing activities	(47.5)	(9,636.0)
Net cash provided by (used for) financing activities	(68.3)	9,440.1
Effect of changes in currency exchange rates	(27.3)	(4.2)
Increase (decrease) in cash	30.0	(52.1)
Cash, cash equivalents, and restricted cash, beginning of period	565.5	559.7
Cash and cash equivalents, end of period	$ 595.5	$ 507.6

Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
Other Expense, Net (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019
Other Income and Expenses [Abstract]
Foreign currency loss	$ (13.8)	$ (12.6)
Equity (expense) income	(0.9)	0.9
Expected return on pension assets/amortization	2.4	3.4
Other miscellaneous (expense) income	(2.5)	0.1
Total other expense, net	$ (14.8)	$ (8.2)