Revenue Recognition and Deferred Revenue [Abstract] Deferred Revenue for Extended Transmission Coverage Activity Contract with Customer, Asset and Liability [Table Text Block] Equity [Abstract] Changes in Accumulated Other Comprehensive Loss by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Uncategorized [Abstract] Uncategorized [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassified from AOCL Reclassification out of Accumulated Other Comprehensive Income [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Pension and OPEB liability adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Cost of sales Cost of Revenue Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Debt Disclosure [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Net Sales Revenue, Net [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] North America North America [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Geographic Concentration Risk Geographic Concentration Risk [Member] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization, Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization, Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Number of employees Entity Number of Employees Transmission product lines Transmission Product Lines Transmission product lines. Concentration of risk, percentage Concentration Risk, Percentage Worldwide independent distributor and dealer locations Worldwide Independent Distributor and Dealer Locations Worldwide independent distributor and dealer locations. Payables and Accruals [Abstract] Sales allowances Sales Allowances Aggregate cash, product and warranty discount programs given by the entity for certain goods sold to customers. Payroll and related costs Employee-related Liabilities, Current Accrued interest payable Interest Payable, Current Taxes payable Taxes Payable, Current Vendor buyback obligation Vendor Buyback Obligation Vendor buyback obligation. Defense price reduction reserve Defense Price Reduction Reserve Estimated reserve needed for price revisions for defense customers. Vendor liability Vendor Liability, Current Vendor Liability, Current Rabbi trust liability Deferred Compensation Cash-based Arrangements, Liability, Current Non-trade payables Non Trade Payable Current Non trade payable current. Derivative liabilities Derivative Liability, Current Lease liability Operating Lease, Liability, Current Other accruals Other Sundry Liabilities, Current Total Other Liabilities, Current Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Voting Common Stock Voting Common Stock [Member] Voting Common Stock [Member] Non-voting Common Stock Nonvoting Common Stock [Member] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current Assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable – net of allowance for doubtful accounts of $1 Accounts Receivable, Net, Current Inventories Inventory, Net Other current assets Other Assets, Current Total Current Assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill Other non-current assets Other Assets, Noncurrent TOTAL ASSETS Assets LIABILITIES Liabilities [Abstract] Current Liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Product warranty liability Product Warranty Accrual, Current Current portion of long-term debt Long-term Debt, Current Maturities Deferred revenue Contract with Customer, Liability, Current Other current liabilities Total Current Liabilities Liabilities, Current Product warranty liability Product Warranty Accrual, Noncurrent Deferred revenue Contract with Customer, Liability, Noncurrent Long-term debt Long-term Debt, Excluding Current Maturities Deferred income taxes Deferred Income Tax Liabilities, Net Other non-current liabilities Other Liabilities, Noncurrent TOTAL LIABILITIES Liabilities Commitments and contingencies (see NOTE P) Commitments and Contingencies STOCKHOLDERS’ EQUITY Stockholders' Equity Attributable to Parent [Abstract] Common stock Common Stock, Value, Issued Preferred stock, $0.01 par value, 100,000,000 shares authorized, none issued and outstanding Preferred Stock, Value, Issued Paid in capital Additional Paid in Capital, Common Stock Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax TOTAL STOCKHOLDERS’ EQUITY Stockholders' Equity Attributable to Parent TOTAL LIABILITIES & STOCKHOLDERS’ EQUITY Liabilities and Equity Goodwill and Intangible Assets Disclosure [Abstract] 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Available-for-sale securities and interest rate swaps Accumulated Other Comprehensive Income, Available-For-Sale Securities and Interest Rate Swaps [Member] Accumulated Other Comprehensive Income, Available-For-Sale Securities and Interest Rate Swaps [Member] Foreign currency items Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Loss, net of tax AOCI Attributable to Parent [Member] Beginning balance of AOCL Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from AOCL Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Income tax Other Comprehensive Income (Loss), Tax Reclassification of stranded tax effects Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect Net current period other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Total AOCL Guarantees and Product Warranties [Abstract] PRODUCT WARRANTY LIABILITIES Product Warranty Disclosure [Text Block] Leases [Abstract] 2019 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Product Warranty Liability Activities Schedule of Product Warranty Liability [Table Text Block] Retirement Benefits [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Pension Plans Pension Plan [Member] Post-retirement Benefits Other Postretirement Benefits Plan [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Prior service credit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Net periodic benefit cost (credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Deferred Revenue Disclosure [Abstract] Adjustments based on variable consideration Revenue, Adjustments To Variable Consideration Constraint Revenue, Adjustments To Variable Consideration Constraint Credit term period Product Sales, Credit Term Product Sales, Credit Term Contract assets Contract with Customer, Asset, Net Schedule of Lease Maturity, Prior Guidance Lessee, Operating Lease, Disclosure [Table Text Block] Schedule of Lease Maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of Right of Use Assets Lessee, Right Of Use Assets [Table Text Block] Lessee, Right Of Use Assets [Table Text Block] Postemployment Benefits [Abstract] EMPLOYEE BENEFIT PLANS Compensation and Employee Benefit Plans [Text Block] Accounting Policies [Abstract] Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Prior Term Loan Prior Term Loan [Member] Prior Term Loan [Member] Prior Revolving Credit Facility Prior Revolving Credit Facility [Member] Prior Revolving Credit Facility [Member] Prior Senior Secured Credit Facility Prior Senior Secured Credit Facility [Member] Prior Senior Secured Credit Facility [Member] New Term Loan New Term Loan [Member] New Term Loan [Member] New Senior Secured Credit Facility New Senior Secured Credit Facility [Member] New Senior Secured Credit Facility [Member] New Revolving Credit Facility New Revolving Credit Facility [Member] New Revolving Credit Facility [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] greater of the prime lending rate or federal funds Prime Rate or Federal Funds Rate [Member] Prime Rate or Federal Funds Rate [Member] Federal funds rate Federal Funds Effective Swap Rate [Member] Base Rate Base Rate [Member] Variable Rate Component [Axis] Variable Rate Component [Axis] Variable Rate Component [Axis] Variable Rate Component [Domain] Variable Rate Component [Domain] [Domain] for Variable Rate Component [Axis] first lien net leverage ratio is above 4.00x Variable Rate One [Member] Variable Rate One [Member] first lien net leverage ratio is equal to or less than 4.00x and above 3.50x Variable Rate Two [Member] Variable Rate Two [Member] first lien net leverage ratio is equal to or below 3.50x Variable Rate Three [Member] Variable Rate Three [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term debt Long-term Debt Deferred financing fees Debt Issuance Costs, Net Debt issuance expense Debt Issuance Expense Debt Issuance Expense Applicable margin over base rate Debt Instrument, Basis Spread on Variable Rate Floor rate Debt Instrument Floor Rate Debt instrument floor rate. Debt instrument effective interest rate Debt Instrument, Interest Rate, Effective Percentage Principal payments on term loans Debt Instrument, Periodic Payment, Principal Available revolving credit facility Line of Credit Facility, Remaining Borrowing Capacity Letters of credit Letters of Credit Outstanding, Amount Net leverage ratio Debt Instrument, Covenant, Net Leverage Ratio Debt Instrument, Covenant, Net Leverage Ratio Commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Required senior secured leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Amount outstanding Long-term Line of Credit Achieved senior secured leverage ratio Debt Instrument, Covenant, Leverage Ratio, Achieved Debt Instrument, Covenant, Leverage Ratio, Achieved Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swaps Interest Rate Swap [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other current liabilities Other Current Liabilities [Member] Other non-current liabilities Other Noncurrent Liabilities [Member] Derivative [Line Items] Derivative [Line Items] Interest rate swaps, liability Derivative Liability, Fair Value, Gross Liability Total derivatives designated as hedging instruments Derivative, Fair Value, Net Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] Income Tax Disclosure [Abstract] Income tax expense Effective tax rate Effective Income Tax Rate Reconciliation, Percent Summary of Long-Term Debt and Maturities Schedule of Long-term Debt Instruments [Table Text Block] GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] OVERVIEW Nature of Operations [Text Block] Statement of Comprehensive Income [Abstract] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Gross profit Gross Profit Selling, general and administrative Selling, General and Administrative Expense Engineering — research and development Research and Development Expense Operating income Operating Income (Loss) Interest expense, net Interest Income (Expense), Net Other income (expense), net Other Nonoperating Income (Expense) Income before income taxes Income tax expense Basic earnings per share attributable to common stockholders (USD per share) Earnings Per Share, Basic Diluted earnings per share attributable to common stockholders (USD per share) Earnings Per Share, Diluted Dividends declared per common share (USD per share) Common Stock, Dividends, Per Share, Declared Comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent INCOME TAXES Income Tax Disclosure [Text Block] Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income 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] Amortization of intangible assets Amortization of Intangible Assets Depreciation of property, plant and equipment Depreciation Deferred income taxes Deferred Income Tax Expense (Benefit) Expenses related to long-term debt refinancing Long-Term Debt Refinancing Expense Long-Term Debt Refinancing Expense Stock-based compensation Share-based Compensation Amortization of deferred financing costs Amortization of Debt Issuance Costs Other Other Noncash Income (Expense) Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Accounts payable Increase (Decrease) in Accounts Payable Other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions of long-lived assets Payments to Acquire Property, Plant, and Equipment Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Payments on long-term debt Repayments of Senior Debt Issuance of long-term debt Proceeds from Issuance of Long-term Debt Repurchases of common stock Payments for Repurchase of Common Stock Dividend payments Payments of Dividends Debt financing fees Payments of Financing Costs Taxes paid related to net share settlement of equity awards Payments Related to Tax Withholding for Share-based Compensation Proceeds from exercise of stock options Proceeds from Stock Options Exercised Net cash used for financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Net Income taxes paid Income Taxes Paid, Net Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Rabbi trust assets Assets Held-in-trust Deferred compensation obligation Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent Derivative liabilities Derivative Liability Total Fair Value, Net Asset (Liability) Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Summary of Fair Value of Financial Assets and (Liabilities) Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Other Intangible Assets Schedule of Intangible Assets and Goodwill [Table Text Block] Amortization Expense Related to Other Intangible Assets for Next Five Fiscal Years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] DEFERRED REVENUE Revenue from Contract with Customer [Text Block] 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Present value of lease liabilities Operating Lease, Liability Revenue from Contract with Customer [Abstract] Disaggregated Revenue by Categories Disaggregation of Revenue [Table Text Block] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Guarantees [Abstract] Product warranty liability, current Product warranty liability, non-current LEASES Lessee, Operating Leases [Text Block] Senior Notes, fixed 5.0%, due 2024 Five Percentage Senior Notes Due 2024 [Member] Five Percentage Senior Notes Due 2024 [Member] Debt instrument, stated interest rate Debt Instrument, Interest Rate, Stated Percentage COMMON STOCK Stock Repurchase Program Authorized [Text Block] The entire disclosure for amount of a stock repurchase plan authorized by an entity's Board of Directors and expiration date for the repurchase of an entity's own shares under a stock repurchase plan. ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Subsequent Event [Table] Subsequent Event [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] AxleTech Electric Vehicle Systems Division AxleTech Electric Vehicle Systems Division [Member] AxleTech Electric Vehicle Systems Division [Member] Vantage Power Limited Vantage Power Limited [Member] Vantage Power Limited [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Payments to acquire businesses Payments to Acquire Businesses, Gross Additional payment amount Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Other Liabilities Disclosure [Abstract] Summary of Other Current Liabilities Schedule of Other Assets and Other Liabilities [Table Text Block] Right-of-use assets Operating Lease, Right-of-Use Asset Assets transfered Prepaid Lease Expense, Assets Transfered Prepaid Lease Expense, Assets Transfered Current lease liabilities Non-current lease liabilities Operating Lease, Liability, Noncurrent DEBT Debt Disclosure [Text Block] Senior Notes, fixed 4.75%, due 2027 Four Point Seven Five Percentage Senior Notes Due 2027 [Member] Four Point Seven Five Percentage Senior Notes Due 2027 Term Loan Term Loan [Member] Term Loan [Member] Senior Notes, fixed 5.875%, due 2029 Five Point Eight Seven Five Percentage Senior Notes Due 2029 [Member] Five Point Eight Seven Five Percentage Senior Notes Due 2029 Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] ATI Subsidiaries [Member] Fair value of long-term debt obligations Long-term Debt, Fair Value Commitments and Contingencies Disclosure [Abstract] Environmental liability Accrual for Environmental Loss Contingencies Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Beginning balance Contract with Customer, Liability Increases Contract With Customer, Liability, Increase Contract With Customer, Liability, Increase Revenue earned Contract with Customer, Liability, Revenue Recognized Ending balance Senior Secured Credit Facility Term Loan, variable, due 2026 Senior Secured Credit Facility Term Loan Variable Due 2026 [Member] Senior Secured Credit Facility Term Loan Variable Due 2026 Senior Secured Credit Facility Term Loan, variable due 2022 Senior Secured Credit Facility Term Loan Variable Due 2022 [Member] Senior Secured Credit Facility Term Loan Variable Due 2022 [Member] Total long-term debt Less: current maturities of long-term debt Less: deferred financing costs, net Total long-term debt, net Shares excluded from diluted EPS calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average shares of common stock outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of stock-based awards (shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average shares of common stock outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Interest Rate Swaps A Interest Rate SwapsA [Member] Interest Rate Swaps A Interest Rate Swaps B Interest Rate SwapsB [Member] Interest Rate Swaps B. Interest Rate Swap C Interest Rate Swap C [Member] Interest Rate Swap C [Member] Available-for-sale securities and interest rate swaps Accumulated Other Comprehensive Income / Derivatives Qualifying As Hedges [Member] Accumulated other comprehensive income / derivatives qualifying as hedges. Notional amount Derivative, Notional Amount Fixed interest rate Derivative, Fixed Interest Rate Accumulated other comprehensive loss, net of tax AOCI before Tax, Attributable to Parent Accumulated other comprehensive income (loss), be Reclassified During Next 12 Months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Derivative Instruments and their Impact on the Financial Condition Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Table] Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Table] Schedule of acquired finite and indefinite lived intangible asset by major class. 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] Customer relationships — commercial Customer Relationships Commercial [Member] Customer relationships - commercial. Proprietary technology Proprietary Technology [Member] Proprietary technology. Customer relationships — defense Customer Relationships Defense [Member] Customer Relationships Defense. Goodwill and Intangible Assets Disclosure [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Goodwill and Intangible Assets Disclosure [Line Items] Trade name Indefinite-Lived Trade Names Intangible assets, gross Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Finite-Lived Intangible Assets, Net Intangible assets, gross, Total Intangible Assets, Gross (Excluding Goodwill) Intangible assets, net, Total COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Discount rate Lessee, Operating Lease, Discount Rate Remaining lease term Operating Lease, Weighted Average Remaining Lease Term1 Operating Lease, Weighted Average Remaining Lease Term1 Operating expense Operating Lease, Expense Short term operating lease expense Short-term Lease, Cost New ROU assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Inventory Disclosure [Abstract] INVENTORIES Inventory Disclosure [Text Block] Allowance for doubtful accounts receivables Allowance for Doubtful Accounts Receivable, Current Common stock, par value (USD per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Preferred stock, par value (USD per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] OTHER CURRENT LIABILITIES Other Liabilities Disclosure [Text Block] DERIVATIVES Derivative Instruments and Hedging Activities Disclosure [Text Block] Components of Inventories Schedule of Inventory, Current [Table Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] ETC contracts Extended Transmission Coverage [Member] Extended Transmission Coverage [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Deferred revenue current liabilities Deferred revenue non-current liabilities FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Beginning balance Standard and Extended Product Warranty Accrual Payments Standard and Extended Product Warranty Accrual, Decrease for Payments Increase in liability (warranty issued during period) Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Net adjustments to liability Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Ending balance Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land Land [Member] Buildings Building [Member] Vehicles Vehicles [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Total right-of-use assets REVENUE Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Financial assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Financial liabilities Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] North America On-Highway North America on Highway [Member] North America on Highway. North America Off-Highway North America Off Highway [Member] North America Off Highway. Defense Defense [Member] Defense [Member] Outside North America On-Highway Outside North America on Highway [Member] Outside North America on Highway. Outside North America Off-Highway Outside North America Off Highway [Member] Outside North America Off Highway [Member] Service Parts, Support Equipment and Other Service Parts Support Equipment and Other [Member] Service Parts Support Equipment and Other. Total Net Sales Face amount Debt Instrument, Face Amount Purchased parts and raw materials Inventory, Parts and Components, Net of Reserves Work in progress Inventory, Work in Process, Net of Reserves Service parts Other Inventory, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories Reconciliation of Numerators and Denominators Used to Calculate Basic EPS and Diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Components of Net Periodic Benefit Cost (credit) Schedule of Net Benefit Costs [Table Text Block] Net carrying value of Goodwill and other intangible assets Intangible Assets, Net (Including Goodwill) Common Stock Disclosure [Table] Common Stock Disclosure [Table] Common Stock Disclosure [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2016 Repurchase Program Two Thousand Sixteen Repurchase Plan [Member] Two thousand sixteen repurchase plan member. Common Stock Disclosure [Line Items] Common Stock Disclosure [Line Items] Common Stock Disclosure [Line Items] Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Stock repurchase program, increase in authorized amount Stock Repurchase Program Increase In Authorized Amount Stock Repurchase Program Increase In Authorized Amount Common stock, repurchased during the period Stock Repurchased During Period, Value Common stock, repurchases authorized Stock Repurchase Program, Remaining Authorized Repurchase Amount