Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Common Stock Entity Listings, Exchange [Axis] Exchange [Domain] NEW YORK STOCK EXCHANGE, INC. [Member] New York Stock Exchange NYSE CHICAGO, INC. [Member] NYSE Texas Document Information [Line Items] Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Condensed Consolidated Balance Sheets Statement [Table] Statement Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Amount collected Receivables, Net, Current Total accounts receivable Accounts receivable, less allowances of $14.3 and $14.2, respectively Contract with Customer, Asset, after Allowance for Credit Loss, Current Contract assets - current Contract assets Inventory, Net Inventories Total inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, plant, and equipment, net of accumulated depreciation of $247.8 and $242.2, respectively Assets, Noncurrent [Abstract] Other assets: Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Intangible assets, net of accumulated amortization of $61.4 and $53.7, respectively Operating Lease, Right-of-Use Asset Operating lease right-of-use assets, net Equipment on long-term lease consists of rotable assets generally supporting for more than twelve months. Equipment on Long Term Lease Rotable assets, net Other Assets, Noncurrent Other non-current assets Sum of the carrying amounts as of the balance sheet date of all assets excluding properties, plants and equipment, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Assets Noncurrent Excluding Property Plant And Equipment Total other assets Assets Total assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Contract with Customer, Liability, Current Deferred revenue - current Deferred revenue Accrued Liabilities, Current Accrued liabilities Liabilities, Current Total current liabilities Long-Term Debt, Excluding Current Maturities Long-term debt Operating Lease, Liability, Noncurrent Operating lease liabilities Deferred Income Tax Liabilities, Net Deferred tax liabilities Other Liabilities, Noncurrent Other liabilities Liabilities, Noncurrent Total noncurrent liabilities Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Preferred Stock, Value, Issued Preferred stock, $1.00 par value, authorized 250,000 shares; none issued Common Stock, Value, Issued Common stock, $1.00 par value, authorized 100,000,000 shares; issued 48,750,786 shares at cost Additional Paid in Capital, Common Stock Capital surplus Retained Earnings (Accumulated Deficit) Retained earnings Treasury Stock, Common, Value Treasury stock, x,xxx,xxx and 8,871,272 shares at cost, respectively Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Equity, Including Portion Attributable to Noncontrolling Interest Balance, ending Balance, beginning Total equity Liabilities and Equity Total liabilities and equity Accounts Receivable, Allowance for Credit Loss, Current Accounts receivable, allowances Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Accumulated depreciation Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, accumulated amortization Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Treasury Stock, Common, Shares Treasury stock, shares Condensed Consolidated Statements of Income Product and Service [Axis] Product and Service [Domain] Product [Member] Products Service [Member] Services Revenues [Abstract] Sales: Revenue from Contract with Customer, Including Assessed Tax Net sales Sales Costs and Expenses [Abstract] Cost of sales: Cost of Goods and Services Sold Cost of sales Cost of Sales Gross Profit Gross profit Selling, General and Administrative Expense Selling, general, and administrative Selling, General and Administrative Income (Loss) from Equity Method Investments Earnings from joint ventures Income (losses) from joint ventures Earnings from joint ventures Sum of the net result for the period of deducting operating expenses from operating revenues, and the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Operating Income (Loss), Including Income (Loss) from Equity Method Investments Operating Income Operating income Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant including exit costs. Gain (Loss) on Disposition of Business Including Exit Costs Gains related to sale and exit of businesses, net Gains (Losses) related to sale and exit of businesses, net Other Nonoperating Income (Expense) Other expense, net Interest Expense, Nonoperating Interest expense Investment Income, Interest Interest income Income (Loss) from Continuing Operations before Income Taxes and Minority Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense Net income Net income Earnings Per Share, Basic [Abstract] Earnings per share Earnings Per Share, Basic Earnings per share - basic (in dollars per share) Earnings Per Share, Diluted Earnings per share - diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Shares used for earnings per share: Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding - diluted (in shares) Condensed Consolidated Statements of Comprehensive Income (Loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Currency translation adjustments Other comprehensive income (loss) , net of tax Other comprehensive income Other comprehensive income, net of tax Other comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows provided by (used in) operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used in) operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Amortization of Debt Issuance Costs Amortization of financing costs Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Gain (Loss) on Disposition of Business Gain related to sale and exit of business Increase (Decrease) in Operating Capital [Abstract] Changes in certain assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Contract with Customer, Asset Contract assets Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expenses, Other Prepaid expenses and other current assets The net change during the reporting period in the value of equipment on long-term lease used to generate rental income. Increase (Decrease) in Equipment on Long Term Lease Rotable assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Other Accrued Liabilities Accrued and other liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows used in investing activities: Payments to Acquire Property, Plant, and Equipment Property, plant, and equipment expenditures Payments to Acquire Businesses, Net of Cash Acquired Acquisitions, net of cash acquired The cash outflow for expanding hangar facilities. Payments For Expanding Hangar Facilities Hangar expansion activity, net Payments to Acquire Investments Investment Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows provided by (used in) financing activities: Proceeds from (Repayments of) Short-Term Debt Short-term borrowings (repayments), net Proceeds from long-term borrowings Proceeds from long-term borrowings Payment of Financing and Stock Issuance Costs Financing costs Amount of expense (reclass) for award under share-based payment arrangement. Allocated Share Based Compensation Expense Credit Compensation expenses Stock compensation activity Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Increase (Decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of period Cash, cash equivalents, and restricted cash at beginning of period Condensed Consolidated Statements of Changes in Equity Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital [Member] Capital Surplus Retained Earnings [Member] Retained Earnings Treasury Stock, Common [Member] Treasury Stock AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Total Stock Issued During Period, Value, Stock Options Exercised Stock option activity Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock activity Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Acquisitions Business Combination Disclosure [Text Block] Acquisitions Revenue Recognition Revenue from Contract with Customer [Text Block] Revenue Recognition Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Restricted Cash Accounts Receivable Financing Receivables [Text Block] Accounts Receivable Equity Equity [Text Block] Equity Inventories Inventory Disclosure [Text Block] Inventories Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Supplemental Cash Flow Information Sale of Receivables The entire disclosure of Sale Of Receivable text block. Sale Of Receivable [Text Block] Sale of Receivables Financing Arrangements Debt Disclosure [Text Block] Financing Arrangements Other Non-current Assets Other Assets Disclosure [Text Block] Other Non-current Assets No definition available. Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Loss No definition available. Sale of Landing Gear Overhaul Business The entire disclosure on sale of business. Sale of Business Disclosure [Text Block] Sale of Landing Gear Overhaul Business Business Segment Information Segment Reporting Disclosure [Text Block] Business Segment Information No definition available. Legal Proceedings Legal Matters and Contingencies [Text Block] Legal Proceedings Subsequent Event Subsequent Events [Text Block] Subsequent Event Schedule of Business Acquisitions, by Acquisition [Table]