$WAB
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP Stock $wab

$wab Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000162828019013038 Filed on November 01, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q4
Revenue	$2.368B	$2.002B	$1.118B
YoY Change	111.88%	85.72%	3.93%
Cost Of Revenue	$1.694B	$1.402B	$820.9M
YoY Change	106.3%	80.76%	1.71%
Gross Profit	$674.9M	$599.4M	$297.0M
YoY Change	127.24%	98.48%	10.64%
Gross Profit Margin	28.5%	29.94%	26.57%
Selling, General & Admin	$319.1M	$292.2M	$168.0M
YoY Change	89.94%	99.05%	16.83%
% of Gross Profit	47.28%	48.75%	56.57%
Research & Development	$59.60M	$58.60M	$25.90M
YoY Change	130.12%	191.54%	9.28%
% of Gross Profit	8.83%	9.78%	8.72%
Depreciation & Amortization	$112.1M	$124.2M	$26.30M
YoY Change	326.24%	316.78%	0.38%
% of Gross Profit	16.61%	20.72%	8.86%
Operating Expenses	$444.2M	$430.3M	$203.5M
YoY Change	118.28%	143.38%	15.04%
Operating Profit	$226.1M	$169.1M	$93.40M
YoY Change	142.08%	35.06%	2.03%
Interest Expense	-$50.50M	-$59.10M	-$36.20M
YoY Change	39.5%	122.18%	77.45%
% of Operating Profit	-22.34%	-34.95%	-38.76%
Other Income/Expense, Net	-$900.0K	$1.900M	$300.0K
YoY Change	-400.0%	58.33%	-91.67%
Pretax Income	$174.7M	$113.3M	$57.60M
YoY Change	203.3%	10.32%	-22.89%
Income Tax	$37.70M	$22.70M	$18.40M
% Of Pretax Income	21.58%	20.04%	31.94%
Net Earnings	$135.7M	$91.10M	$34.40M
YoY Change	294.48%	3.88%	-29.72%
Net Earnings / Revenue	5.73%	4.55%	3.08%
Basic Earnings Per Share	$0.71	$0.48	$0.36
Diluted Earnings Per Share	$0.71	$0.48	$0.36
COMMON SHARES
Basic Shares Outstanding	191.7M shares	189.6M shares	96.61M shares
Diluted Shares Outstanding		191.5M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$604.0M	$587.0M	$581.0M
YoY Change	3.96%	42.82%	149.36%
Cash & Equivalents	$604.2M	$587.4M	$580.9M
Short-Term Investments
Other Short-Term Assets	$150.9M	$192.4M	$115.6M
YoY Change	30.54%	72.65%	-5.47%
Inventory	$1.773B	$1.957B	$844.9M
Prepaid Expenses
Receivables	$1.150B	$1.213B	$801.2M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.192B	$4.410B	$4.450B
YoY Change	-5.79%	1.31%	96.44%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.656B	$1.623B	$563.8M
YoY Change	193.69%	191.11%	-1.78%
Goodwill	$8.361B	$8.103B	$2.397B
YoY Change	248.88%	235.88%	-2.59%
Intangibles	$4.727B	$4.822B	$1.713B
YoY Change	176.0%	174.43%	-5.26%
Long-Term Investments	$95.20M		$30.80M
YoY Change	209.09%
Other Assets	$631.7M	$557.6M	$109.4M
YoY Change	477.42%	671.48%	43.27%
Total Long-Term Assets	$14.75B	$14.49B	$4.200B
YoY Change	251.27%	245.04%	-2.67%
TOTAL ASSETS
Total Short-Term Assets	$4.192B	$4.410B	$4.450B
Total Long-Term Assets	$14.75B	$14.49B	$4.200B
Total Assets	$18.94B	$18.90B	$8.649B
YoY Change	119.03%	120.98%	31.45%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.158B	$1.146B	$589.4M
YoY Change	96.39%	105.62%	6.67%
Accrued Expenses	$1.401B	$1.270B	$620.0M
YoY Change	125.97%	130.07%	2.65%
Deferred Revenue	$604.2M	$670.6M	$373.5M
YoY Change	61.77%	79.25%	1.02%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$95.70M	$112.0M	$64.10M
YoY Change	49.3%	138.3%	36.38%
Total Short-Term Liabilities	$3.258B	$3.199B	$1.647B
YoY Change	97.86%	109.04%	4.66%
LONG-TERM LIABILITIES
Long-Term Debt	$4.334B	$4.634B	$3.793B
YoY Change	14.26%	21.37%	108.05%
Other Long-Term Liabilities	$808.9M	$1.143B	$47.00M
YoY Change	1621.06%	4048.13%	-21.22%
Total Long-Term Liabilities	$5.143B	$1.143B	$3.840B
YoY Change	33.93%	4048.13%	6336.35%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.258B	$3.199B	$1.647B
Total Long-Term Liabilities	$5.143B	$1.143B	$3.840B
Total Liabilities	$8.951B	$9.172B	$5.780B
YoY Change	54.85%	62.53%	54.08%
SHAREHOLDERS EQUITY
Retained Earnings	$3.267B	$3.155B	$3.022B
YoY Change	8.11%	5.19%	8.97%
Common Stock	$7.879B	$7.818B	$915.9M
YoY Change	760.27%	751.53%	0.88%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$807.1M	$807.6M	$816.1M
YoY Change	-1.1%	-1.07%	-1.36%
Treasury Stock Shares	35.20M shares	35.27M shares	35.73M shares
Shareholders Equity	$9.957B	$9.696B	$2.865B
YoY Change
Total Liabilities & Shareholders Equity	$18.94B	$18.90B	$8.649B
YoY Change	119.03%	120.98%	31.45%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q4
OPERATING ACTIVITIES
Net Income	$135.7M	$91.10M	$34.40M
YoY Change	294.48%	3.88%	-29.72%
Depreciation, Depletion And Amortization	$112.1M	$124.2M	$26.30M
YoY Change	326.24%	316.78%	0.38%
Cash From Operating Activities	$447.8M	$123.8M	$276.7M
YoY Change	61.84%	-514.05%	70.49%
INVESTING ACTIVITIES
Capital Expenditures	-$72.70M	-$50.70M	-$29.10M
YoY Change	149.83%	106.94%	-0.34%
Acquisitions
YoY Change
Other Investing Activities	$4.700M	-$18.70M	-$14.10M
YoY Change	-133.33%	78.1%	-85.67%
Cash From Investing Activities	-$68.00M	-$69.40M	-$43.10M
YoY Change	57.77%	97.72%	-66.22%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-355.6M	91.00M	-17.20M
YoY Change	1967.44%	-95.39%	-37.23%
NET CHANGE
Cash From Operating Activities	447.8M	123.8M	276.7M
Cash From Investing Activities	-68.00M	-69.40M	-43.10M
Cash From Financing Activities	-355.6M	91.00M	-17.20M
Net Change In Cash	24.20M	145.4M	216.4M
YoY Change	-88.82%	-92.38%	2864.38%
FREE CASH FLOW
Cash From Operating Activities	$447.8M	$123.8M	$276.7M
Capital Expenditures	-$72.70M	-$50.70M	-$29.10M
Free Cash Flow	$520.5M	$174.5M	$305.8M
YoY Change	70.21%	-3331.48%	59.69%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000943452
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.36
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.36
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	96614946	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	191676482	shares
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q4	us-gaap	Shares Issued SharesIssued	132349534	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	35734588	shares
CY2019Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	35270698	shares
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	033-90866
	dei	Entity Registrant Name EntityRegistrantName	WESTINGHOUSE AIR BRAKE TECHNOLOGIESCORP
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-1615902
	dei	Entity Address Address Line1 EntityAddressAddressLine1	30 Isabella Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Pittsburgh
	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	15212
	dei	City Area Code CityAreaCode	412
	dei	Local Phone Number LocalPhoneNumber	825-1000
	dei	Security12b Title Security12bTitle	Common Stock, $.01 par value per share
	dei	Trading Symbol TradingSymbol	WAB
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	102700000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	272100000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	310100000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22700000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16600000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	82600000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53200000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	90600000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	86100000	USD
	us-gaap	Profit Loss ProfitLoss	189500000	USD
	us-gaap	Profit Loss ProfitLoss	256900000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-500000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1500000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3700000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	91100000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	87700000	USD
	us-gaap	Net Income Loss NetIncomeLoss	191000000.0	USD
	us-gaap	Net Income Loss NetIncomeLoss	260600000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.71
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.70
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	189600000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96200000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	163200000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	95900000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	191500000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96600000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	172200000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96400000	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	91100000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	87700000	USD
	us-gaap	Net Income Loss NetIncomeLoss	191000000.0	USD
	us-gaap	Net Income Loss NetIncomeLoss	260600000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-181100000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-44300000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-208900000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-159000000.0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	200000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	0	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	100200000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-58700000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-4000000.0	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-5500000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2200000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	6900000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-3300000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-178700000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-51200000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-213000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-161200000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	700000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1700000	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1000000.0	USD
	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-500000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-179400000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-49500000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-212000000.0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-160700000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-88300000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	38200000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-21000000.0	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99900000	USD
	us-gaap	Profit Loss ProfitLoss	189500000	USD
	us-gaap	Profit Loss ProfitLoss	256900000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	289300000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	83000000.0	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	36100000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	20500000	USD
	wab	Amortization Of Intangible Liability AmortizationOfIntangibleLiability	29900000	USD
	wab	Amortization Of Intangible Liability AmortizationOfIntangibleLiability	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-12600000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-4000000.0	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	32300000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	125500000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-146500000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4200000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	14500000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-43800000	USD
	wab	Increase Decrease In Accrued Liabilities And Customer Deposits IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits	18800000	USD
	wab	Increase Decrease In Accrued Liabilities And Customer Deposits IncreaseDecreaseInAccruedLiabilitiesAndCustomerDeposits	16400000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-156900000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9835200000	USD
CY2019Q3	us-gaap	Dividends Cash DividendsCash	23800000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	-5500000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	77500000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	567700000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38000000.0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	112600000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64200000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3400000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9100000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3000600000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	49100000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3109800000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-104200000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	2955500000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	3490200000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	2064600000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	1466600000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	700000	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	13100000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6200000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6700000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	10100000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	58200000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	34700000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	817100000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1995300000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-29900000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-27100000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1754900000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1902000000.0	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2342300000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	233400000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	587400000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2135400000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12200000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	90600000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-179400000	USD
CY2019Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-100000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	800000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9729400000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2869100000	USD
	us-gaap	Dividends Cash DividendsCash	58200000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	-14000000.0	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	36100000	USD
	us-gaap	Profit Loss ProfitLoss	189500000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-212000000.0	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6918900000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9729400000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2874600000	USD
CY2018Q3	us-gaap	Dividends Cash DividendsCash	11600000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4800000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6500000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	86100000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-49500000	USD
CY2018Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	500000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2910400000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2828500000	USD
	us-gaap	Dividends Cash DividendsCash	34800000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	800000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20500000	USD
	us-gaap	Profit Loss ProfitLoss	256900000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-160700000	USD
	us-gaap	Nature Of Operations NatureOfOperations	BUSINESS <span style="font-family:inherit;font-size:10pt;">Westinghouse Air Brake Technologies Corporation (“Wabtec” or the "Company") is one of the world’s largest providers of value-added, technology-based equipment, systems and services for the global freight rail and passenger transit industries. Our highly engineered products enhance safety, improve productivity and reduce maintenance costs for customers and can be found on most locomotives, freight cars, passenger transit cars and buses around the world. 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 </span><span style="font-family:inherit;font-size:10pt;"><span>50</span></span><span style="font-family:inherit;font-size:10pt;"> countries and our products can be found in more than </span><span style="font-family:inherit;font-size:10pt;"><span>100</span></span><span style="font-family:inherit;font-size:10pt;"> countries throughout the world. In the first </span><span style="font-family:inherit;font-size:10pt;">nine</span><span style="font-family:inherit;font-size:10pt;"> months of </span><span style="font-family:inherit;font-size:10pt;">2019</span><span style="font-family:inherit;font-size:10pt;">, approximately </span><span style="font-family:inherit;font-size:10pt;"><span>58%</span></span> of the Company’s revenues came from customers outside the United States.
CY2019Q3	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	50	country
CY2019Q3	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	119400000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	59200000	USD
CY2019Q3	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	115500000	USD
CY2018Q4	us-gaap	Provision For Loss On Contracts ProvisionForLossOnContracts	71200000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	20600000000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.26
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications</span> Certain prior year amounts have been reclassified, where necessary, to conform to the current year presentation
	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:8px;text-align:left;text-indent:37px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span><span style="font-family:inherit;font-size:10pt;"> 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. </span></div>
CY2018Q4	us-gaap	Goodwill Goodwill	2396500000	USD
	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	5822200000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-213600000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1600000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-212000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-166600000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-5900000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-160700000	USD
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	2001700000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1994800000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	6317800000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	5891200000	USD
CY2019Q3	wab	Business Acquisition Pro Forma Gross Profit BusinessAcquisitionProFormaGrossProfit	615400000	USD
CY2018Q3	wab	Business Acquisition Pro Forma Gross Profit BusinessAcquisitionProFormaGrossProfit	575700000	USD
	wab	Business Acquisition Pro Forma Gross Profit BusinessAcquisitionProFormaGrossProfit	1376400000	USD
	wab	Business Acquisition Pro Forma Gross Profit BusinessAcquisitionProFormaGrossProfit	1595800000	USD
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	103300000	USD
CY2018Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	120700000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	358500000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	195400000	USD
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.70
CY2019Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.55
CY2018Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	0.63
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.87
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.02
CY2019Q3	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	786300000	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	465900000	USD
CY2019Q3	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	521700000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	154500000	USD
CY2019Q3	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	649300000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	224500000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	1957300000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	844900000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-115500000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	8103200000	USD
CY2019Q3	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	614500000	USD
CY2018Q4	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	582800000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3592500000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	547100000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	79500000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	172900000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9900000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	30100000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	72100000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	285100000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	284100000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	283700000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	283200000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	345600000	USD
	us-gaap	Contract With Customer Asset Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerAssetIncreaseDecreaseForContractAcquiredInBusinessCombination	217400000	USD
	wab	Contract With Customer Asset New Contract Additions ContractWithCustomerAssetNewContractAdditions	445100000	USD
	wab	Shortterm And Variable Lease Cost ShorttermAndVariableLeaseCost	500000	USD
CY2019Q3	us-gaap	Sublease Income SubleaseIncome	100000	USD
	us-gaap	Sublease Income SubleaseIncome	400000	USD
	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	415700000	USD
	wab	Contract With Customer Asset Increase Decrease Foreign Currency Translation Adjustment ContractWithCustomerAssetIncreaseDecreaseForeignCurrencyTranslationAdjustment	-12700000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	579700000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	444800000	USD
	us-gaap	Contract With Customer Liability Increase Decrease For Contract Acquired In Business Combination ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination	314700000	USD
	wab	Contract With Customer Liability New Contract Additions ContractWithCustomerLiabilityNewContractAdditions	781300000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	412900000	USD
	wab	Contractwith Customer Liability Revenue Recognizedfrom Current Year Additions ContractwithCustomerLiabilityRevenueRecognizedfromCurrentYearAdditions	270300000	USD
	wab	Contractwith Customer Liability Increase Decrease Foreign Currency Translation Adjustment ContractwithCustomerLiabilityIncreaseDecreaseForeignCurrencyTranslationAdjustment	-12300000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	845300000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	13600000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	40400000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	300000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	900000	USD
CY2019Q3	wab	Shortterm And Variable Lease Cost ShorttermAndVariableLeaseCost	200000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	14000000.0	USD
	us-gaap	Lease Cost LeaseCost	41400000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	12900000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	100000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Remainderof Fiscal Year LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsRemainderofFiscalYear	13000000.0	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	48000000.0	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	400000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Due Year Two LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearTwo	48400000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	40300000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	200000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Due Year Three LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearThree	40500000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	33300000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	100000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Due Year Four LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFour	33400000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	28600000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	100000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Due Year Five LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueYearFive	28700000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	126100000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	400000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Total Payments Due After Year Five LesseeOperatingAndFinanceLeaseLiabilityTotalPaymentsDueAfterYearFive	126500000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	289200000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1300000	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Payments Due LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue	290500000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	30200000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	0	USD
CY2019Q3	wab	Lessee Operating And Finance Lease Liability Undiscounted Excess Amount LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount	30200000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	259000000.0	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	1300000	USD
CY2019Q3	wab	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	260300000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.030
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.014
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20500000	USD
CY2019Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	49600000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	4633500000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3792800000	USD
CY2019Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	4745300000	USD
CY2018Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	3856900000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	111800000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	64100000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	11800000	USD
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6400000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	36100000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	466677	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	61.04
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y8M12D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5115000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	134450	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	70.44
	wab	Share Based Compensation Arrangement By Share Based Payment Award Options Granted Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue	210000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	468	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	64.54
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	4868	shares
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	557600000	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	73.47
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	69.40
	wab	Share Based Compensation Arrangementby Sharebased Payment Award Options Canceled Intrinsic Value ShareBasedCompensationArrangementbySharebasedPaymentAwardOptionsCanceledIntrinsicValue	0	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	595791	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	63.07
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y2M12D
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5321000	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	388581	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	54.88
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y2M12D
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	6652000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0066
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0031
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0260
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0278
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.258
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.239
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	75.51
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	70.45
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	71.57
	wab	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Net Performance Adjustment Weighted Average Net Performance Adjustment Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNetPerformanceAdjustmentWeightedAverageNetPerformanceAdjustmentFairValue	79.35
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	74.12
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	400000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	400000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	191500000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96600000	shares
CY2019Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2018Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	87500000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.200
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.304
CY2018Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.162
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.172
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10300000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	10300000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	8400000	USD
CY2019Q3	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	4500000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	91100000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	87700000	USD
CY2019Q3	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	23000000.0	USD
CY2018Q3	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	11600000	USD
CY2019Q3	us-gaap	Undistributed Earnings UndistributedEarnings	68100000	USD
CY2018Q3	us-gaap	Undistributed Earnings UndistributedEarnings	76200000	USD
CY2019Q3	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
CY2018Q3	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
CY2019Q3	wab	Undistributed Earnings Allocated To Common Shareholders UndistributedEarningsAllocatedToCommonShareholders	67900000	USD
CY2018Q3	wab	Undistributed Earnings Allocated To Common Shareholders UndistributedEarningsAllocatedToCommonShareholders	75900000	USD
CY2019Q3	wab	Dividends Declared Common Shares DividendsDeclaredCommonShares	23000000.0	USD
CY2018Q3	wab	Dividends Declared Common Shares DividendsDeclaredCommonShares	11600000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	90900000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	87500000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2018Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	90900000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	189600000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96200000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	1500000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	95900000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.71
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	8600000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.70
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.91
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	189600000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	96200000	shares
CY2019Q3	wab	Basic Weighted Average Common Shares Outstanding And Non Vested Restricted Stock Expected To Vest BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest	190100000	shares
CY2018Q3	wab	Basic Weighted Average Common Shares Outstanding And Non Vested Restricted Stock Expected To Vest BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest	96500000	shares
CY2019Q3	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
CY2018Q3	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
	us-gaap	Net Income Loss NetIncomeLoss	191000000.0	USD
	us-gaap	Net Income Loss NetIncomeLoss	260600000	USD
	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	57300000	USD
	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	34800000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	133700000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	225800000	USD
	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
	wab	Undistributed Earnings Allocated To Common Shareholders UndistributedEarningsAllocatedToCommonShareholders	133300000	USD
	wab	Undistributed Earnings Allocated To Common Shareholders UndistributedEarningsAllocatedToCommonShareholders	225100000	USD
	wab	Dividends Declared Common Shares DividendsDeclaredCommonShares	57200000	USD
	wab	Dividends Declared Common Shares DividendsDeclaredCommonShares	34600000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	400000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	190100000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	259700000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	400000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	190500000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	259700000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	163200000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	400000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	500000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	172200000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	96400000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	163200000	shares
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1622700000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	95900000	shares
	wab	Basic Weighted Average Common Shares Outstanding And Non Vested Restricted Stock Expected To Vest BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest	163700000	shares
	wab	Basic Weighted Average Common Shares Outstanding And Non Vested Restricted Stock Expected To Vest BasicWeightedAverageCommonSharesOutstandingAndNonVestedRestrictedStockExpectedToVest	96200000	shares
	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
	wab	Percentage Of Net Income Allocated To Common Shareholders PercentageOfNetIncomeAllocatedToCommonShareholders	0.997
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	153700000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	153100000	USD
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	108200000	USD
	us-gaap	Product Warranty Accrual Additions From Business Acquisition ProductWarrantyAccrualAdditionsFromBusinessAcquisition	3100000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	81900000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	45700000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	93100000	USD
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	43000000.0	USD
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	4100000	USD
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	4400000	USD
CY2019Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	246600000	USD
CY2018Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	154500000	USD
CY2019Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3002000000.0	USD
CY2019Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	12700000	USD
CY2018Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	1697000000.0	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-1000000.0	USD
CY2019Q3	us-gaap	Goodwill Goodwill	8103200000	USD
CY2019Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4207000000.0	USD
CY2019Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	1673300000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	1957300000	USD
CY2019Q3	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	192400000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	4410400000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3245700000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5831600000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3245700000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3245700000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	380000000.0	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2001700000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2001700000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	169100000	USD
CY2019Q3	wab	Interest Expense And Other Net InterestExpenseAndOtherNet	55800000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	113300000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1077800000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1077800000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	125200000	USD
CY2018Q3	wab	Interest Expense And Other Net InterestExpenseAndOtherNet	22500000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	102700000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5831600000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5831600000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	437000000.0	USD
	wab	Interest Expense And Other Net InterestExpenseAndOtherNet	164900000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	272100000	USD
	wab	Interest Expense And Other Net InterestExpenseAndOtherNet	69900000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	310100000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2001700000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1077800000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	587400000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22700000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	90600000	USD
CY2019Q3	us-gaap	Assets Assets	18900900000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	3198900000	USD
CY2019Q3	wab	Intercompany Loans IntercompanyLoans	0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	4633500000	USD
CY2019Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1339100000	USD
CY2019Q3	us-gaap	Liabilities Liabilities	9171500000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	9696400000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	33000000.0	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9729400000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	18900900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2342300000	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	1146800000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	844900000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	115600000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	4449600000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	563800000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	2396500000	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1129900000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	109400000	USD
CY2018Q4	us-gaap	Assets Assets	8649200000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1646600000	USD
CY2018Q4	wab	Intercompany Loans IntercompanyLoans	0	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	3792800000	USD
CY2018Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	340700000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	5780100000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2865200000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	3900000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2869100000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8649200000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2001700000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1402300000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	599400000	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	430300000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	169100000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-57700000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1900000	USD
CY2019Q3	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	113300000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	272100000	USD
	us-gaap	Profit Loss ProfitLoss	256900000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3700000	USD
	us-gaap	Net Income Loss NetIncomeLoss	260600000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99900000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	567700000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	82600000	USD
	us-gaap	Profit Loss ProfitLoss	189500000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3109800000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	817100000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-29900000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1754900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2342300000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6000000.0	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1500000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-160800000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4100000	USD
	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	587400000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-500000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	91100000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-88300000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1077800000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	775800000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	302000000.0	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	176800000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	125200000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-23700000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1200000	USD
CY2018Q3	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	102700000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16600000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	86100000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1600000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	87700000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	38200000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5831600000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	4228500000	USD
	us-gaap	Gross Profit GrossProfit	1603100000	USD
	us-gaap	Operating Expenses OperatingExpenses	1166100000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	437000000.0	USD
	us-gaap	Net Income Loss NetIncomeLoss	191000000.0	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-21000000.0	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3245700000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2308800000	USD
	us-gaap	Gross Profit GrossProfit	936900000	USD
	us-gaap	Operating Expenses OperatingExpenses	556900000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	380000000.0	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-75900000	USD
	us-gaap	Income Loss From Subsidiaries Net Of Tax IncomeLossFromSubsidiariesNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	310100000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	53200000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4100000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1000000.0	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1300000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-6800000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1000000.0	USD
CY2018Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	600000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6000000.0	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1600000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3000000.0	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2900000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38000000.0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-104200000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1995300000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-27100000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1902000000.0	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	233400000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2135400000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-2400000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-3500000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-16200000	USD
CY2019Q3	wab	Periodic Defined Benefits Expense Reversalof Expense Excluding Interest Cost And Service Cost Component PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent	-2300000	USD
CY2018Q3	wab	Periodic Defined Benefits Expense Reversalof Expense Excluding Interest Cost And Service Cost Component PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent	-2800000	USD
	wab	Periodic Defined Benefits Expense Reversalof Expense Excluding Interest Cost And Service Cost Component PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent	-7500000	USD
	wab	Periodic Defined Benefits Expense Reversalof Expense Excluding Interest Cost And Service Cost Component PeriodicDefinedBenefitsExpenseReversalofExpenseExcludingInterestCostAndServiceCostComponent	-8900000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1000000.0	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1900000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1200000	USD

Files In Submission

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$WAB
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP Stock $wab

2019 Q4 Form 10-Q Financial Statement

#000162828019013038 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WAB WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP Stock $wab

2019 Q4 Form 10-Q Financial Statement

#000162828019013038 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WAB
WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP Stock $wab