Accounting Policies [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Government Grants [Abstract] -- None. No documentation exists for this element. -- Government Grants Government Grants [Text Block] Government grants Condensed Financial Information Disclosure [Abstract] Condensed Consolidating Financial Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Property, Plant and Equipment [Abstract] Property, plant and equipment, net Property, Plant and Equipment [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Interest rate swaps Interest Rate Swaps [Table Text Block] Interest rate swaps Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accounting Changes and Error Corrections [Abstract] Prospective Adoption of New Accounting Pronouncements [Table] Prospective Adoption of New Accounting Pronouncements [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Prospective Adoption of New Accounting Pronouncements [Axis] Prospective Adoption of New Accounting Pronouncements [Axis] Accounting Guidance [Domain] Accounting Guidance [Domain] Adjustments for New Accounting Pronouncement [Member] Adjustments for New Accounting Pronouncement [Member] Item Effected [Line Items] Item Effected [Line Items] New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Reclassification of Stranded tax effects related to TCJA Reclassification of Stranded tax effects related to TCJA Reclassification of Stranded tax effects related to TCJA New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] ASU 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs [Policy Text Block] ASU 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs [Policy Text Block] ASU 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs [Text Block] ASU 2015-02 Amendments to the Consolidation Analysis [Policy Text Block] ASU 2015-02 Amendments to the Consolidation Analysis [Policy Text Block] ASU 2015-02 Amendments to the Consolidation Analysis [Policy Text Block] Revenue from contracts with customers [Policy Text Block] Revenue from contracts with customers [Policy Text Block] Revenue from contracts with customers [Policy Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Income Statement [Abstract] Revenues Revenues Net Income (Loss) Attributable to Parent [Abstract] Net Income (Loss) Attributable to Parent [Abstract] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] Operating Income (Loss) [Abstract] Operating Income (Loss) [Abstract] Revenues [Abstract] Revenues [Abstract] Operating costs and expenses Costs and Expenses [Abstract] Cost of sales Cost of Goods and Services Sold Selling, general and administrative Selling, General and Administrative Expense Unusual or Infrequent Item, or Both, Net of Insurance Proceeds Unusual or Infrequent Item, or Both, Net of Insurance Proceeds Research and development Research and Development Expense Total operating costs and expenses Costs and Expenses Operating income Operating Income (Loss) Interest expense and financing fee amortization Interest and Debt Expense Other (expense) income, net Other Nonoperating Income (Expense) Income before income taxes and equity in net income of affiliate Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Income before equity in net income of affiliate Income Before Equity In Net Loss Of Affiliates Income (loss) Before Equity In Netincome (Loss) Of Affiliates and subsidiaries Equity in net income of affiliate Income (Loss) from Equity Method Investments Net income Net Income (Loss) Attributable to Parent Earnings per share Earnings Per Share [Abstract] Earnings Per Share, Basic Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Subsequent Events [Abstract] ASCO - purchase price ASCO - purchase price ASCO - purchase price Other Nonoperating Income (Expense) [Abstract] Kansas Development Finance Authority bond Interest Income, Securities, State and Municipal Rental and miscellaneous income Rental Income, Nonoperating Interest Income, Other Interest Income, Other Foreign currency losses (1) Foreign Currency Transaction Gain (Loss), before Tax Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) Related to Litigation Settlement Gain (Loss) Related to Litigation Settlement Gain (Loss) on Sale of Accounts Receivable Gain (Loss) on Sale of Accounts Receivable Pension Income (Expense) without Service Cost Pension Income (Expense) without Service Cost Pension Income (Expense) without Service Cost Unrealized Gain (Loss) on Derivatives Unrealized Gain (Loss) on Derivatives Total Loss on Derivative Settlement Loss on Derivative settlement Loss on Derivative settlement Other Assets, Noncurrent [Abstract] Other Assets [Table] Other Assets [Table] -- None. No documentation exists for this element. -- Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Patents [Member] Patents [Member] Favorable Leasehold Interests [Member] Favorable Leasehold Interests [Member] -- None. No documentation exists for this element. -- Total finite-lived intangible assets [Member] Total finite-lived intangible assets [Member] Total finite-lived intangible assets [Member] Debt issuance costs [Member] Debt issuance costs [Member] Debt issuance costs, Deferred Financing [Member] Other Assets [Line Items] Other Assets [Line Items] -- None. No documentation exists for this element. -- Loans Receivable, Net Loans Receivable, Net Other assets Other Assets, Noncurrent Disclosure [Abstract] Intangible assets Finite-Lived Intangible Assets, Net [Abstract] Total intangible assets Finite-Lived Intangible Assets, Gross Less: Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Finite-Lived Intangible Assets, Net Deferred financing costs Debt Issuance Cost, Gross, Noncurrent Less: Accumulated amortization-deferred financing costs Accumulated Amortization, Debt Issuance Costs, Noncurrent Deferred financing costs, net Debt Issuance Costs, Noncurrent, Net Goodwill - Europe Goodwill Equity in net assets of affiliates Equity Method Investments Customer Supply Agreement Customer Supply Agreement Customer supply agreement Restricted Cash, Noncurrent Restricted Cash, Noncurrent Restricted Cash and Investments, Noncurrent Restricted Cash and Investments, Noncurrent Deferred Tax Assets, Net, Noncurrent Deferred Tax Assets, Net, Noncurrent Other Other Other assets not specified. Total Other Assets, Noncurrent Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Swap Agreements Five [Member] Interest Swap Agreements Five [Member] -- None. No documentation exists for this element. -- Interest Rate Swap [Member] Interest Rate Swap [Member] Interest Rate Swaps [Member] Interest Rate Contract [Member] Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative, Fair Value, Net Derivative, Fair Value, Net Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Interest Rate Derivative Instruments Not Designated as Hedging Instruments Total payment of swap settlement total payment of swap settlement total payment of swap settlement Credit Agreement Margin on LIBOR Credit Agreement Margin on LIBOR Credit Agreement Margin on LIBOR LIBOR floor Senior Secured Credit Facility Term Libor Floor Senior Secured Credit Facility Term Libor Floor Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Derivative, Gain (Loss) on Derivative, Net Derivative, Gain (Loss) on Derivative, Net New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Business Combinations [Abstract] Business Acquisition, Description of Acquired Entity Business Combination Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Duration [Axis] Contract with Customer, Duration [Axis] Contract with Customer, Duration [Domain] Contract with Customer, Duration [Domain] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Transferred over Time [Member] Transferred over Time [Member] Transferred at Point in Time [Member] Transferred at Point in Time [Member] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Contract with Customer, Liability, Revenue Recognized Contract with Customer, Liability, Revenue Recognized Contract with Customer, Asset, Gross Contract with Customer, Asset, Gross change in contract asset change in contract asset change in contract asset Contract with Customer, Liability Contract with Customer, Liability change in contract liability change in contract liability change in contract liability Contract with Customer, Asset, Net Contract with Customer, Asset, Net change in net contract asset change in net contract asset change in net contract asset Statement of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Unrealized exchange (loss) on intercompany loan, tax Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Tax Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Tax Verbose en-US Unchecked Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Condensed Income Statement Condensed Income Statement [Table Text Block] Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Accounting Standards Update 2017-07 [Member] Accounting Standards Update 2017-07 [Member] Accounting Standards Update 2016-18 [Member] Accounting Standards Update 2016-18 [Member] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Basis of Interim Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Asset Related To Deferred Grant Income Net [Abstract] Asset Related To Deferred Grant Income Net1 [Roll Forward] Asset Related To Deferred Grant Income Net1 [Roll Forward] Asset Related To Deferred Grant Income Beginning Balance Asset Related To Deferred Grant Income Beginning Balance Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost. Amortization Depreciation Grant Assets Depreciationof Grant Assets Exchange rate Exchange Rate Effect On Asset Related To Deferred Grant Income Exchange Rate Effect On Asset Related To Deferred Grant Income. Asset Related To Deferred Grant Income Ending Balance Asset Related to Deferred Grant Income Ending Balance Asset Related to Deferred Grant Income Ending Balance Asset Related to Deferred Grant Income Ending Balance Share-based Compensation [Abstract] Stock Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] contract with customer, asset and liability [Text Block] contract with customer, asset and liability [Text Block] contract with customer, asset and liability [Text Block] Contract with Customer, Asset and Liability [Table Text Block] Contract with Customer, Asset and Liability [Table Text Block] Deferred Grant Income Liability Net Deferred Grant Income Liability Net [Table Text Block] Deferred Grant Income Liability Net Asset Related To Deferred Grant Income Net Asset Related To Deferred Grant Income Net [Table Text Block] Tabular disclosure of Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost. Investment [Abstract] -- None. No documentation exists for this element. -- Amortized Cost And Approximate Fair Value Of Held To Maturity Securities [Abstract] Amortized Cost And Approximate Fair Value Of Held To Maturity Securities [Abstract] Amortized Cost And Approximate Fair Value Of Held To Maturity Securities Maturities of held-to-maturity securities Debt Securities, Held-to-maturity, Maturity [Abstract] Investments Textuals [Abstract] Investments Textuals [Abstract] -- None. No documentation exists for this element. -- Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] TSACCL [Member] Joint Ventures Two [Member] -- None. No documentation exists for this element. -- Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Ownership interest in VIE's Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Onex shares sold in secondary offering Onex shares sold in secondary offering Onex shares sold in secondary offering KIESC Ownership Percentage KIESC Ownership Percentage Percentage of ownership of KIESC, which has been consolidated for financial statement presentation purposes Boeing Advance Payment ShipSet BoeingAdvanacePaymentShipSet Ship set unit beyond which advance repayments will begin Performance Obligations [Abstract] Performance Obligations [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Performance obligation time band [Axis] Performance obligation time band [Axis] Performance obligation time band [Axis] Performance obligation time band [Domain] Performance obligation time band [Domain] [Domain] for Performance obligation time band [Axis] Remaining in Current Year [Member] Remaining in Current Year [Member] Remaining in Current Year [Member] 2020 [Member] 2020 [Member] 2020 [Member] 2021 [Member] [Member] 2021 [Member] [Member] 2021 [Member] [Member] 2021 and after [Member] 2022 and after [Member] [Member] 2022 and after [Member] [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Other Assets Schedule of Other Assets, Noncurrent [Table Text Block] Inventory Disclosure [Abstract] Inventory Inventory Disclosure [Text Block] Advance Payments And Deferred Revenue Credits [Abstract] The entire disclosure of advance payments and deferred revenue credits Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] B737 [Member] Inventory Type One [Member] -- None. No documentation exists for this element. -- B787 [Member] Inventory Type B787 [Member] -- None. No documentation exists for this element. -- Airbus Three Hundred Fifty XWB [Member] Airbus Three Hundred Fifty XWB [Member] -- None. No documentation exists for this element. -- Airbus - All other platforms [Member] Inventory Type Six [Member] -- None. No documentation exists for this element. -- Other Inventory [Member] Other Inventory [Member] -- None. No documentation exists for this element. -- Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Customer advances Customer advances- B787 program Customer advances- B787 program Customer advances- B737 program Customer advances- B737 program Customer advances- B737 program Advance payments and deferred revenue/credits summarized Deferred Revenue and Credits [Abstract] Advance Payments And Deferred Revenue Credits Advance Payments And Deferred Revenue Credits Advanced payments are those amounts paid by third parties in contemplation of future performance of services, receipt of goods, incurrence of expense, or for other assets provided by Spirit, and are refundable if such obligation is not satisfied. Deferred revenue/credits generally consists of nonrefundable amounts received in advance of revenue being earned for specific contractual deliveries. Defined Benefit Plan [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Domain] Retirement Plan Funding Status [Domain] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] ChangeInOtherBenefitPensionPlansDisclosuresTextBlock [Table Text Block] ChangeInOtherBenefitPensionPlansDisclosuresTextBlock [Table Text Block] [Table Text Block] for ChangeInOtherBenefitPensionPlansDisclosuresTextBlock [Table] Change in projected benefit obligations ChangeInDefinedBenefitPensionPlansDisclosuresTextBlock Change in projected benefit obligations Income Tax Disclosure [Abstract] Deferred Tax Assets, Net Deferred Tax Assets, Net Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Changes in Estimates [Abstract] Changes in Estimates [Abstract] Change In Estimate [Text Block] Change In Estimate [Text Block] Entire disclosure of change in estimates Segment Reporting [Abstract] Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Impact of 2017-07 [Member] Impact of 2017-07 [Member] Impact of 2017-07 [Member] Nature of Error [Axis] Nature of Error [Axis] Nature of Error [Domain] Nature of Error [Domain] Immaterial reclassification of segment revenue [Member] Immaterial reclassification of segment revenue [Member] Immaterial reclassification of segment revenue [Member] G280 [Member] G280 [Member] -- None. No documentation exists for this element. -- Bell V280 [Member] Bell V280 [Member] Bell V280 [Member] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Fuselage Systems [Member] Fuselage Systems [Member] -- None. No documentation exists for this element. -- Propulsion Systems [Member] Propulsion Systems [Member] -- None. No documentation exists for this element. -- Wing Systems [Member] Wing Systems [Member] -- None. No documentation exists for this element. -- Other Systems [Member] Other Systems [Member] -- None. No documentation exists for this element. -- Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Cost of Goods and Services Sold Prior Period Reclassification Adjustment Prior Period Reclassification Adjustment Segment Information Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] Segment Revenues Segment Reporting Information, Revenue for Reportable Segment [Abstract] Segment Revenues Segment Operating Income Segment Reporting Information, Operating Income (Loss) [Abstract] Business Segment Operating Income Business Segment Operating Income Amount of income or loss for the reportable segment before unusual Items, equity method income or loss, income taxes, and extraordinary items. Segment Information Unallocated Corporate Selling General And Administrative Segment Information Unallocated Corporate Selling General And Administrative egment Information Unallocated Corporate Selling General And Administrative Unusual or Infrequent Item, or Both, Net of Insurance Proceeds Segment Information Unallocated Research And Development Segment Information Unallocated Research And Development Segment Information Unallocated Research And Development Segment Information Unallocated Cost Of Sales Segment Information Unallocated Cost Of Sales Segment Information Unallocated Cost Of Sales Segment Reporting Information, Additional Information [Abstract] Segment Reporting Information, Additional Information [Abstract] Forward Loss Recorded For The Period Current Period Forward Loss Recorded Forward loss on contract recorded during the period Reduction In Previously Reported Forward-Loss Change in Estimate on Loss Program Change in Estimate on Loss Program Number Of Principal Segments Number Of Principal Segments Number Of Principal Segments Percentage Of Net Revenue Derived From Two Largest Customers Percentage Of Net Revenue Derived From Two Largest Customers Percentage Of Net Revenue Derived From Two Largest Customers Number Of Largest Customers Number Of Largest Customers Number Of Largest Customers Cumulative Catch Up Adjustment Cumulative Catch Up Adjustment Effect on operating income due to change in accounting estimate Product Warranty Expense Product Warranty Expense Prior Year Claims and Claims Adjustment Expense Prior Year Claims and Claims Adjustment Expense Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Events [Text Block] Subsequent Events [Text Block] Long Term Debt And Capital Lease Obligations Current And Non Current Long Term Debt And Capital Lease Obligations Current And Non Current [Table Text Block] Long Term Debt And Capital Lease Obligations Current And Non Current Segment Information Segment Reporting Disclosure [Text Block] Accounts Receivable, Net, Current [Abstract] Accounts Receivable, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Advance Payments And Deferred Revenue Credits Summarized Advance Payments And Deferred Revenue Credits Summarized [Table Text Block] he disclosure of advance payments and deferred revenue credits summarized Commitments Contingencies And Guarantees [Abstract] -- None. No documentation exists for this element. -- Commitments, Contingencies and Guarantees Commitments Contingencies and Guarantees [Text Block] Lessee Disclosure [Abstract] Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Finance Lease, Weighted Average Remaining Lease Term Assets and Liabilities, Lessee [Abstract] Operating Lease, Liability, Current Operating Lease, Liability, Current Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Operating Lease, Liability Operating Lease, Liability Finance Lease, RIght-of-Use Asset, Gross Finance Lease, RIght-of-Use Asset, Gross Finance Lease, RIght-of-Use Asset, Gross Finance Lease, RIght-of-Use Asset, Accumulated Amortization Finance Lease, RIght-of-Use Asset, Accumulated Amortization Finance Lease, RIght-of-Use Asset, Accumulated Amortization Finance Lease, Right-of-Use Asset Finance Lease, Right-of-Use Asset Finance Lease, Liability, Current Finance Lease, Liability, Current Finance Lease, Liability, Noncurrent Finance Lease, Liability, Noncurrent Finance Lease, Liability Finance Lease, Liability Operating Lease, Weighted Average Remaining Lease Term weighted average remaining lease term in years, operating leases weighted average remaining lease term in years, operating leases weighted average remaining lease term in years, finance leases weighted average remaining lease term in years, finance leases weighted average remaining lease term in years, finance leases Lessee, Operating Lease, Lease Not yet Commenced, Description Lessee, Operating Lease, Lease Not Yet Commenced, Liability Lessee, Operating Lease, Lease Not Yet Commenced, Liability Lessee, Finance Lease, Lease Not yet Commenced, Description Lessee, Finance Lease, Lease Not Yet Commenced, Liability Lessee, Finance Lease, Lease Not Yet Commenced, Liability Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Finance Lease, Weighted Average Discount Rate, Percent Finance Lease Liabilities, Payments, Due [Abstract] Finance Lease, Liability, Payments, Remainder of Fiscal Year Finance Lease, Liability, Payments, Remainder of Fiscal Year Finance Lease, Liability, Payments, Due Year Two Finance Lease, Liability, Payments, Due Year Two Finance Lease, Liability, Payments, Due Year Three Finance Lease, Liability, Payments, Due Year Three Finance Lease, Liability, Payments, Due Year Four Finance Lease, Liability, Payments, Due Year Four Finance Lease, Liability, Payments, Due Year Five Finance Lease, Liability, Payments, Due Year Five Finance Lease, Liability, Payments, Due after Year Five Finance Lease, Liability, Payments, Due after Year Five Finance Lease, Liability, Payments, Due Finance Lease, Liability, Payments, Due Lease Imputed Interest Due- Financing imputed lease discount- financing lease Cash Flow, Operating Activities, Lessee [Abstract] Operating lease cost Operating Lease, Payments Finance Lease, Interest Payment on Liability Finance Lease, Interest Payment on Liability Sale and Leaseback Transaction, Gain (Loss), Net Sale and Leaseback Transaction, Gain (Loss), Net Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Operating Lease Liabilities, Payments Due [Abstract] Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Payments, Due Year Five Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due Lease Imputed Interest Due- Operating Lease Imputed Interest Due- Operating Lease Imputed Interest Due- Operating Lease, Cost [Abstract] Operating Lease, Cost Operating Lease, Cost Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Right-of-Use Asset, Amortization Finance Lease, Interest Expense Finance Lease, Interest Expense Lease, Cost Lease, Cost Cash Flow, Financing Activities, Lessee [Abstract] Finance Lease, Principal Payments Finance Lease, Principal Payments Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans [Member] Pension Plan [Member] Other Benefits [Member] Other Postretirement Benefits Plan [Member] Pension [Line Items] Pension [Line Items] -- None. No documentation exists for this element. -- Pension and Other Post-Retirement Benefits Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Amortization of net loss Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Net periodic pension income Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Pension And Other Post Retirement Benefits Textuals [Abstract] Pension And Other Post Retirement Benefits Textuals [Abstract] -- None. No documentation exists for this element. -- Defined Benefit Plan Estimated Future Employer Contributions Remainder Of Year Defined Benefit Plan Estimated Future Employer Contributions Remainder Of Year Defined Benefit Plan Estimated Future Employer Contributions Remainder Of Year Expected UK Pension Plan Contribution For The Year Expected UK Pension Plan Contribution For Year Expected UK Pension Plan Contribution For The Year Government Grants Textuals [Abstract] Government Grants Textuals [Abstract] -- None. No documentation exists for this element. -- Deferred Grant Income Amortization Period Deferred Grant Income Amortization Period Deferred grant income amortization period. New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Deferred Finance Charge Debt Extinguishment Deferred Finance Charge Debt Extinguishment Deferred Finance Charge related to Debt Extinguishment Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company [Member] Parent Company [Member] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Subsidiary Issuer [Member] Subsidiary Issuer [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Ownership percentage in domestic subsidiaries Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Condensed Consolidating Statements of Operations [Abstract] Total operating costs and expenses Operating income Other expense, net Income (loss) before income taxes and equity in net loss of affiliates and subsidiaries Income (loss) Before Equity In Net Income (Loss) Of Affiliates and Subsidiaries Equity in net income of subsidiaries Equity in net income of subsidiaries Value of the equity in net income or loss of subsidiary companies not accounted for under the equity method. Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive Income, Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Condensed Consolidating Balance Sheets [Abstract] Statement of Financial Position [Abstract] Assets Assets, Current [Abstract] Cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Accounts receivable, net Accounts Receivable, Net, Current Unbilled Receivables, Current Unbilled Receivables, Current Inventory Inventory, Net Deferred tax asset - current Deferred Tax Assets, Net of Valuation Allowance, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Operating Lease, Right-of-Use Asset Operating Lease, Right-of-Use Asset Unbilled Receivable, Non Current Unbilled Receivable, Non Current Unbilled Receivable, Non Current Pension assets Assets for Plan Benefits, Defined Benefit Plan Investment in subsidiary Investment In Subsidiary Investiment in subsidiary Equity In Net Assets Of Subsidiaries Equity In Net Assets Of Subsidiaries Equity in net assets of subsidiaries not accounted for under the equity method Other assets Total assets Assets Liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Accrued Liabilities, Current Profit sharing Deferred Compensation Liability, Current Current portion of long-term debt Long-term Debt and Capital Lease Obligations, Current Advance payments, short-term Customer Advances, Current Billings in Excess of Cost, Noncurrent Billings in Excess of Cost, Noncurrent Billings in Excess of Cost, Current Billings in Excess of Cost, Current Provision for Loss on Contracts Provision for Loss on Contracts Deferred revenue and other deferred credits, short-term Deferred Revenue, Current Deferred grant income liability - current Deferred Grant Income Liability Current Deferred Grant Income Liability Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt and Capital Lease Obligations Advance payments, long-term Customer Advances, Noncurrent Pension/OPEB obligation Liability, Defined Benefit Plan, Noncurrent Provision for Loss on Contacts, Non Current Provision for Loss on Contacts, Non Current Provision for Loss on Contacts, Non Current Deferred grant income liability - non-current Deferred Grant Income Liability Noncurrent Deferred Grant Income Liability Noncurrent Deferred revenue and other deferred credits Deferred Revenue and Credits, Noncurrent Other liabilities Other Liabilities, Noncurrent Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Condensed Consolidating Statements of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net cash (used in) operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from Sales of Assets, Investing Activities Proceeds from Sales of Assets, Investing Activities Payments for (Proceeds from) Other Investing Activities Payments for (Proceeds from) Other Investing Activities Proceeds from sale of assets Proceeds from Sale of Other Property, Plant, and Equipment Change in Investment in subsidiary Change in Investment in subsidiary Change in Investment in subsidiary Equity in net assets of subsidiaries Investing Activities Equity In Net Assets Of Subsidiaries Cash flow impact of equity in net assets of subsidiaries Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Proceeds from Issuance of Debt Proceeds from Issuance of Debt Proceeds from Lines of Credit Proceeds from Lines of Credit Proceeds from Issuance of Senior Long-term Debt Proceeds from Issuance of Senior Long-term Debt Financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Principal payments of debt Repayments of Long-term Debt Repayments of Senior Debt Repayments of Senior Debt Repayments of Debt Repayments of Debt Repayments of Lines of Credit Repayments of Lines of Credit Early Repayment of Senior Debt Early Repayment of Senior Debt Collection on (repayment of) intercompany debt Proceeds From Repayments Of Intercompany Borrowings Collection on (repayment of) intercompany debt Payments Related to Tax Withholding for Share-based Compensation Payments Related to Tax Withholding for Share-based Compensation Proceeds (payments) from subsidiary for purchase of treasury stock Proceeds (payments) from subsidiary for purchase of treasury stock Proceeds (payments) from subsidiary for purchase of treasury stock Proceeds from Issuance of Long-term Debt Proceeds from Issuance of Long-term Debt Payments on bonds Repayments of Notes Payable Debt issuance and financing costs Payments of Financing Costs Proceeds from Other Debt Proceeds from Other Debt Proceeds from (Payments for) Other Financing Activities Proceeds from (Payments for) Other Financing Activities Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Proceeds from (Repayments of) Restricted Cash, Financing Activities Proceeds from (Repayments of) Restricted Cash, Financing Activities Proceeds from subsidiary (payments to Parent) to pay dividends Proceeds from subsidiary (payments to Parent) to pay dividends Proceeds from subsidiary (payments to Parent) to pay dividends Payments of Dividends Payments of Dividends Proceeds from Stock Plans Proceeds from Stock Plans Excess tax benefit of share-based payment arrangements Excess Tax Benefit from Share-based Compensation, Financing Activities Increase (Decrease) in Restricted Cash Increase (Decrease) in Restricted Cash Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value Cash, cash equivalents, and restricted cash, end of period Summary Of Inventories [Abstract] Summary Of Inventories [Abstract] -- None. No documentation exists for this element. -- Raw materials Inventory, Raw Materials, Net of Reserves Work-in-process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Product inventory Net Inventory Raw Materials Finished Goods And Work In Process Net Inventory Raw Materials Finished Goods And Work In Process Capitalized pre-production Other Inventory, Capitalized Costs, Gross Deferred Production Costs Deferred Production Costs Excess-over-average cost that is reasonably expected to be fully offset by lower-than-average cost in future periods of a contract, included in inventory. Provision for Loss on Contracts, Inventory Provision for Loss on Contracts, Inventory Provision for Loss on Contracts, Inventory Total inventory, net Inventory Valuation Reserves Inventory Valuation Reserves Costs Incurred in Anticipation of Contracts Costs Incurred in Anticipation of Contracts included in Work-in-process Costs Incurred in Anticipation of Contracts included in Work-in-process Deferred Grant Income Liability beginning balance Deferred Grant Income Liability beginning balance Deferred Grant Income Liability beginning balance Deferred Grant Income Liability Net [Abstract] Deferred Grant Income Liability Net1 [Roll Forward] Deferred Grant Income Liability Net1 [Roll Forward] Deferred Grant Income Liability Deferred Grant Income Liability Liability associated with eligible amounts of capital spending under the terms of the grants that will be amortized as a component of production cost to offset depreciation of the completed asset. The deferred grant income liability is net of the present value of any future minimum lease payments. Grant Liability Recorded Grant Liability Recorded Grant Liability Recorded Grant Income Recognized Grant Income Recognized Grant Income Recognized Deferred Grant Income Liability Exchange Rate Effect On Deferred Grant Income Liability Exchange Rate Effect On Deferred Grant Income Liability Exchange rate effect on deferred grant income liability Accounts Receivable, Net Accounts Receivable Net [Table Text Block] The disclosure for claims held for amounts due a company. Examples include trade accounts receivables net, notes receivables, loans receivables. Other Assets Other Assets [Table Text Block] Other assets Inventories [Table] Inventories [Table] -- None. No documentation exists for this element. -- Rolls-Royce Inventory Type Eight [Member] -- None. No documentation exists for this element. -- Inventories [Line Items] Inventories [Line Items] -- None. No documentation exists for this element. -- Forward Loss Provision, gross Forward Loss Provision, gross Forward Loss Provision, gross Transition adjustment - capitalized costs (pretax) Transition adjustment - capitalized costs (pretax) Transition adjustment - capitalized costs (pretax) Reclassification - inventory Reclassification - inventory Reclassification of work-in-process to forward loss provision. Block And Order Detail [Abstract] Block And Order Detail [Abstract] -- None. No documentation exists for this element. -- Contract Block Quantity Contract Block Quantity Original quantity of the current accounting contract block Orders Firm Orders Number of firm orders received Contract Block Deliveries Contract Block Deliveries Deliveries recorded for current accounting contract block. Transition Adjustment - deferred production costs Transition Adjustment - deferred production costs Transition Adjustment, ASU 2014-09 - deferred production costs forward loss provision forward loss provision forward loss provision Net income Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Unrealized foreign exchange loss on intercompany loan, net of tax effect of $0.2 and zero for the three months ended, respectively, and $0.3 and $0.3 for the nine months ended, respectively Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Net Of Tax Other Comprehensive Income Unrealized Gain Loss On Intercompany Loan Net Of Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Total other comprehensive gain (loss) Total comprehensive income Stockholders' Equity Note [Abstract] Basic and Diluted Earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Transfer of Financial Assets Accounted for as Sales, Amount Derecognized Transfer of Financial Assets Accounted for as Sales, Amount Derecognized Trade receivables Accounts Receivable, Gross, Current Other Nontrade Receivables, Current Less: allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Accounts receivable, net Unbilled Contracts Receivable Unbilled Contracts Receivable Accounts receivable held in retainage by customer Contract Receivable Retainage Gain (Loss) on Sale of Accounts Receivable Aftermarket [Member] Inventory Type Ten [Member] -- None. No documentation exists for this element. -- Other platforms [Member] Other Inventory Contracts [Member] -- None. No documentation exists for this element. -- Boeing - All other platforms [Member] Boeing Sustaining [Member] -- None. No documentation exists for this element. -- Boeing - all platforms [Member] Boeing - all platforms [Member] Boeing - all platforms [Member] Inventory By Platform [Abstract] Inventory By Platform [Abstract] -- None. No documentation exists for this element. -- Inventory Inventory In Process In process inventory Non Recurring Production Costs Included In Inventory [Abstract] Non Recurring Production Costs Included In Inventory [Abstract] -- None. No documentation exists for this element. -- Nonrecurring production cost included in inventory Nonrecurring Inventory Non-recurring production costs include design and engineering costs and test articles. Capitalized Preproduction Costs Included In Inventory [Abstract] Capitalized Preproduction Costs Included In Inventory [Abstract] -- None. No documentation exists for this element. -- Contract Liability Contract Liability Liability created by losses taken on a program in excess of inventory. This amount will be amortized into the forward loss catagory of inventory as inventory on the program increases. Advance Payments And Deferred Revenue Credits Advance Payments And Deferred Revenue Credits [Text Block] The disclosure of advance payments and deferred revenue credits Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class A [Member] Common Class A [Member] Class B [Member] Common Class B [Member] Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets [Abstract] Cash and cash equivalents Restricted Cash, Current Restricted Cash, Current Inventory, net Liabilities and Equity [Abstract] Liabilities and Equity [Abstract] Liabilities [Abstract] Liabilities [Abstract] Liabilities Noncurrent Liabilities, Noncurrent [Abstract] Stockholders' Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value $0.01, 10,000,000 shares authorized, no shares issued Preferred Stock, Value, Issued Common stock Common Stock, Value, Issued Additional Paid in Capital [Abstract] Additional Paid in Capital [Abstract] Additional paid-in capital Additional Paid in Capital, Common Stock AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained Earnings Accumulated Deficit [Abstract] Retained Earnings (Accumulated Deficit) [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Treasury Stock, Value Treasury Stock, Value Total stockholders’ equity Stockholders' Equity Attributable to Parent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Total equity Equity Stockholders' Equity Note Disclosure [Text Block] Shareholders' equity Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Treasury Stock, Shares Treasury Stock, Shares Leases [Abstract] Lessee, Leases [Policy Text Block] Lessee, Leases [Policy Text Block] Derivative [Table] Derivative [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2017 Share Repurchase Program [Member] [Member] 2017 Share Repurchase Program [Member] [Member] 2017 Share Repurchase Program [Member] [Member] Derivatives, Fair Value [Line Items] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Stock Repurchased During Period, Value Stock Repurchased During Period, Value Basic and Diluted Earnings per share Basic EPS Earnings Per Share, Basic [Abstract] Income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Income available to common shareholders, shares Weighted Average Number of Shares Outstanding, Basic Income available to common shareholders, per share amount Income allocated to participating securities Net Income Loss Available To Participating Securities Net Income Loss Available To Participating Securities Income allocated to participating securities, shares Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Diluted potential common shares Weighted Average Number Diluted Shares Outstanding Adjustment Diluted EPS Earnings Per Share, Diluted [Abstract] Shares Weighted Average Number of Shares Outstanding, Diluted Equity Textuals [Abstract] Equity Textuals [Abstract] -- None. No documentation exists for this element. -- Common shares, outstanding Common Stock, Shares, Outstanding Common shares outstanding issued but unvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Other Comprehensive Income (Loss), Net of Tax [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Pension [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] SERP and Retiree medical [Member] Accumulated SERP And Retiree Medical [Member] Accumulated SERP And Retiree Medical Member Foreign currency impact on long term intercompany loan [Member] Accumulated Net FX Gain Loss on LT Interco Loan Unrealized [Member] Accumulated Net FX Gain Loss on LT Interco Loan Unrealized Member Currency translation adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax Derivative and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Other Income Expense Net Other Income Expense Net [Text Block] Other Income Expense Net Cover page. Security Exchange Name Security Exchange Name Title of 12(b) Security Title of 12(b) Security Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Address, State or Province Entity Address, State or Province Entity Address, City or Town Entity Address, City or Town Entity Address, Address Line One Entity Address, Address Line One Entity Tax Identification Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity File Number Entity File Number Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Amendment Flag Amendment Flag Trading Symbol Trading Symbol Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Derivative [Line Items] Derivative [Line Items] Cash Flow Hedge Derivative Instrument Liabilities at Fair Value Cash Flow Hedge Derivative Instrument Liabilities at Fair Value Maximum Length of Time Hedged in Cash Flow Hedge Maximum Length of Time Hedged in Cash Flow Hedge Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest Expense [Member] Interest Expense [Member] Other Expense [Member] Other Expense [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivative, Fixed Interest Rate Derivative, Fixed Interest Rate Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Fair value of outstanding derivatives Derivative, Fair Value, Net [Abstract] Derivative Fair Value Of Derivative Liability Secured Debt, Current Secured Debt, Current Secured Long-term Debt, Noncurrent Secured Long-term Debt, Noncurrent Line of Credit, Current Line of Credit, Current Long-term Line of Credit, Noncurrent Long-term Line of Credit, Noncurrent Debt Type [Table] Debt Type [Table] Debt Type [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secured Debt Term A [Member] Unsecured Debt Term A [Member] Unsecured Debt Term A [Member] Secured Debt Term B [Member] Secured Debt Term B [Member] Secured Debt Term B [Member] Senior Unsecured Notes Due 2020 [Member] Senior Unsecured Notes Due Two Thousand And Twenty [Member] -- None. No documentation exists for this element. -- Senior unsecured notes due 2022 [Member] SeniorUnsecuredNotesDueTwoThousandAndTwentyTwo [Member] SeniorUnsecuredNotesDueTwoThousandAndTwentyTwo [Member] Senior Unsecured Notes Due 2023 [Domain] Senior Unsecured Notes Due 2023 [Domain] Senior Unsecured Notes Due 2023 Senior Unsecured Notes Due 2026 [Member] Senior Unsecured Notes Due 2026 [Member] Senior Unsecured Notes Due 2026 [Member] New Market Tax Credit [Member] New Market Tax Credit [Member] New Market Tax Credit [Member] Senior Unsecured Notes Due 2028 [Member] Senior Unsecured Notes Due 2028 [Member] Senior Unsecured Notes Due 2028 [Member] Total Debt [Member] Total Debt [Member] Total Debt [Member] Debt Type [Line Items] Debt Type [Line Items] [Line Items] for Debt Type [Table] Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract] Long Term Debt And Capital Lease Obligations Current And Non Current [Abstract] -- None. No documentation exists for this element. -- Senior Notes, Current Senior Notes, Current Senior Notes, Noncurrent Senior Notes, Noncurrent Loans Payable to Bank, Current Loans Payable to Bank, Current Loans Payable to Bank, Noncurrent Loans Payable to Bank, Noncurrent Capital Lease Obligations, Current Capital Lease Obligations, Current Capital Lease Obligations, Noncurrent Capital Lease Obligations, Noncurrent Other Loans Payable, Current Other Loans Payable, Current Other Loans Payable, Long-term, Noncurrent Other Loans Payable, Long-term, Noncurrent Other Long-term Debt, Current Other Long-term Debt, Current Other Long-term Debt, Noncurrent Other Long-term Debt, Noncurrent Long-term Debt and Capital Lease Obligations, Current Long-term Debt and Capital Lease Obligations Change In Estimate [Table] Change In Estimate [Table] -- None. No documentation exists for this element. -- Segments [Axis] Segments [Domain] A350 XWB [Member] A350 XWB [Member] A350 XWB [Member] Inventory Type B787 [Member] Boeing - all other platforms [Member] Boeing - all other platforms [Member] Boeing - all other platforms other than B787 [Member] Rolls-Royce [Member] Rolls-Royce [Member] Rolls-Royce [Member] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Cumulative catch-up adjustment [Member] Cumulative catch-up adjustment [Member] Cumulative catch-up adjustment [Member] - effect on income due to change in accounting estimate Forward Loss [Member] Forward Loss [Member] Forward Loss [Member] - The amount by which the estimate of total contract revenue is exceeded by the estimate of total contract costs. Contracts Accounted for under Percentage of Completion [Member] Contracts Accounted for under Percentage of Completion [Member] Change In Estimate [Line Items] Change In Estimate [Line Items] -- None. No documentation exists for this element. -- Current Period Forward Loss Recorded Changes in Contract Estimates, aggregate, Affecting earnings from Continuing Operations, per Share diluted Changes in Contract Estimates, aggregate, Affecting earnings from Continuing Operations, per Share diluted Changes in Accounting Estimates - Contract Accounting, aggregate, Affecting earnings from Continuing Operations, per Share diluted Change In Accounting Estimate, aggregate Change In Accounting Estimate, aggregate, affecting earnings from continuing operations Change In Accounting Estimate, aggregate, affecting earnings from continuing operations Change in Accounting Estimate - Contract Accounting Change in Accounting Estimate - Contract Accounting Change in Estimate - Contract Accounting: when adjustments in estimated total contract block revenue or estimated total cost are required, any changes from prior estimates for delivered units are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by several factors including improved production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work and contract modifications. When estimates of total costs to be incurred on a contract block exceed estimates of total revenue to be earned, a provision for the entire loss on the contract block is recorded in the period in which the loss is determined. Leases of Lessee Disclosure [Text Block] Leases of Lessee Disclosure [Text Block] Interest Rate Swaps [Table Text Block] Interest Rate Swaps Interest Rate Derivatives [Abstract] Derivative Instruments Not Designated as Hedging Instruments, Loss Derivative Instruments Not Designated as Hedging Instruments, Loss Service warranty roll forward Schedule of Product Warranty Liability [Table Text Block] Property, plant and equipment, net Property, Plant and Equipment, Net [Abstract] Land Land Buildings (including improvements) Buildings and Improvements, Gross Machinery and equipment Machinery And Equipment Excluding Tooling Gross Machinery And Equipment Excluding Tooling Gross Tooling Tooling Gross Gross tooling Capitalized software Capitalized Computer Software, Gross Construction-in-progress Construction in Progress, Gross Total Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Adjustments to reconcile net income to net cash provided by operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation expense Depreciation Amortization expense Amortization Amortization of deferred financing fees Amortization of Debt Issuance Costs and Discounts Accretion of customer supply agreement Accretion Of Customer Supply Agreement Accretion of amounts under customer supply agreement Employee stock compensation expense Share-based Compensation Loss on Derivative Instruments, Pretax Loss on Derivative Instruments, Pretax Excess tax benefit of share-based payment arrangements Excess Tax Benefit from Share-based Compensation, Operating Activities Loss from hedge contracts Derivative, Net Hedge Ineffectiveness Gain (Loss) Gain from foreign currency transactions Foreign Currency Transaction Gain (Loss), Unrealized Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment Deferred taxes Deferred Income Tax Expense (Benefit) Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Grant liability amortization Grant Income Grant Income Equity in net income of affiliate Increase (Decrease) in Forward Provision Increase (Decrease) in Forward Provision Increase (Decrease) in Forward Provision Changes in assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventory, net Increase (Decrease) in Inventories Increase (Decrease) in Unbilled Receivables Increase (Decrease) in Unbilled Receivables Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Profit sharing/deferred compensation Increase (Decrease) in Deferred Compensation Advance payments Increase (Decrease) in Customer Advances Income taxes receivable/payable Increase (Decrease) in Income Taxes Payable Increase (Decrease) in Billing in Excess of Cost of Earnings Increase (Decrease) in Billing in Excess of Cost of Earnings Deferred revenue and other deferred credits Increase (Decrease) in Deferred Liabilities Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Payments for (Proceeds from) Other Investing Activities Payments to Acquire Loans Receivable Payments to Acquire Loans Receivable Proceeds from issuance of bonds Proceeds from Notes Payable Proceeds from (Payments for) Other Financing Activities Increase (Decrease) in Restricted Cash Cash, cash equivalents, and restricted cash, beginning of period Reconciliation of Cash, Cash Equivalents, and Restricted Cash [Abstract] Reconciliation of Cash, Cash Equivalents, and Restricted Cash [Abstract] Reconciliation of Cash, Cash Equivalents, and Restricted Cash [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 2018 Amended Restated Credit Agreement [Member] 2018 Amended Restated Credit Agreement [Member] 2018 Amended Restated Credit Agreement [Member] Term Loan Facility [Member] Term Loan Facility [Member] -- None. No documentation exists for this element. -- Capital Lease Agreement [Member] Capital Lease Obligations [Member] Saint Nazaire [Member] Saint Nazaire [Member] -- None. No documentation exists for this element. -- Malaysian Facility Agreement [Member] Malaysian Facility Agreement [Member] Malaysian Facility Agreement [Member] Amendment Three Term Loan Due 2020 [Member] AmendmentThreeTermLoanDueTwentyTwenty [Member] AmendmentThreeTermLoanDueTwentyTwenty [Member] Amendment Five Term Loan Due 2020 [Member] Amendment Five Term Loan Due 2020 [Member] Amendment Five Term Loan Due 2020 [Member] Amended and Restated Credit Agreement Due 2021 [Member] Amended and Restated Credit Agreement Due 2021 [Member] Amended and Restated Credit Agreement Due 2021 [Member] 2018 Revolver [Member] 2018 Revolver [Member] 2018 Revolver [Member] 2018 Term Loan A [Member] 2018 Term Loan A [Member] 2018 Term Loan A [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan [Member] 2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member] 2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member] 2018 Revolver, 2018 Term Loan, Delayed Term Loan [Member] Senior unsecured term loan A [Member] Senior unsecured term loan A [Member] Senior unsecured term loan A [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Unsolicited Tender Offer Costs Unsolicited Tender Offer Costs Debt Instrument, Redemption Price, Percentage Debt Instrument, Redemption Price, Percentage Unamortized Debt Issuance Expense Unamortized Debt Issuance Expense Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Debt Instrument, Face Amount Debt Instrument, Face Amount Secured Debt Secured Debt Maturity Date 2012 Senior Secured Credit Facility Term Maturity Date 2012 Senior Secured Credit Facility Term Maturity date of the 2012 Senior Secured Credit Facility Term loan Senior Secured Credit Facility Term Libor Floor Margin On Base Rate Borrowing Term Loan Margin On Base Rate Borrowing Term Loan Margin On Base Rate Borrowing Term Loan MinimumAdjustmentMarginOnLibor Minimum Adjustment Margin on Libor Minimum Adjustment Margin on Libor MaximumAdjustmentMarginOnLibor Maximum Adjustment Margin on Libor Maximum Adjustment Margin on Libor Minimum Adjustment Margin on Base Rate Minimum Adjustment Margin on Base Rate Minimum Adjustment Margin on Base Rate Maximum Adjustment Margin on Base Rate Maximum Adjustment Margin on Base Rate Maximum Adjustment Margin on Base Rate Outstanding Balance Term Loan Outstanding Balance Term Loan Outstanding balance on term loan Gains (Losses) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Payment for Debt Extinguishment or Debt Prepayment Cost Payment for Debt Extinguishment or Debt Prepayment Cost Extinguishment Included In Cash Flow Deferred Financing Fees Extinguishment Included In Cash Flow Deferred Financing Fees Extinguishment Included In Cash Flow Deferred Financing Fees Extinguishment Included In Cash Flow Amortization Expense Extinguishment Included In Cash Flow Amortization Expense Extinguishment Included In Cash Flow Amortization Expense Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Forgiveness of debt, possible non-operating gain Forgiveness of debt, possible non-operating gain Upon meeting certain conditions, both the Investor and the Company have the ability to trigger forgiveness of the debt which could result in a net non-operating gain. MaturityDatefor2020Notes MaturityDatefor2020Notes Maturity Date for 2020 notes Senior Notes Senior Notes Note Consideration Payment Note Consideration Payment Note Consideration Payment Incremental Tender Amount Incremental Tender Amount Incremental Tender Amount Maturity Date 2022 Notes MaturityDate2022Notes MaturityDate2022Notes stated interest rate - loan receivable stated interest rate - loan receivable stated interest rate - loan receivable Maximum Borrowing Capacity Maximum Borrowing Capacity Company executed credit agreement Debt Instrument, Periodic Payment, Principal Debt Instrument, Periodic Payment, Principal Optional Revolver Commitment Optional Revolver Commitment Optional Revolver Commitment Loans Payable to Bank Loans Payable to Bank Margin Over Euribor On Capital Lease Repayment Margin Over Euribor On Capital Lease Repayment Margin Over Euribor On Capital Lease Repayment Capital Lease Obligations Capital Lease Obligations Capital Lease term - Nashville Capital Lease term - Nashville Capital Lease term - Nashville Carry Value Term Loan Carry Value Term Loan Carry Value Term Loan Loans Payable Loans Payable Debt Issuance Costs, Gross Debt Issuance Costs, Gross Debt Instrument, Interest Rate Terms Debt Instrument, Interest Rate Terms Debt Instrument, Payment Terms Debt Instrument, Payment Terms Repayments of Lines of Credit Line of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Carrying Value Term Loan Carrying Value Term Loan Carrying Value Term Loan Long-term Debt Long-term Debt Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] -- None. No documentation exists for this element. -- Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Assets Measured At Fair Value [Member] Assets Measured At Fair Value [Member] -- None. No documentation exists for this element. --