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Statement - Consolidated Statements of Stockholders' Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Background link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Earnings (Loss) Per Share link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Composition of Certain Balance Sheet Accounts link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Composition of Certain Reserves and Allowances link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 100220 - 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Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Composition of Certain Balance Sheet Accounts (Tables) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Composition of Certain Reserves and Allowances (Tables) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Long-Term Debt and Other Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Interest Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Fair Value of Financial Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Stock-Based Compensation and 401(k) Plan (Tables) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Income Tax (Tables) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Quarterly Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - Condensed Financial Information of Registrant (Tables) link:presentationLink link:calculationLink link:definitionLink 100550 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 100560 - Disclosure - Background - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100570 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Summary of Significant Accounting Policies - Depreciation of Property and Equipment Estimated Useful Lives (Detail) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Summary of Significant Accounting Policies - Finite Lived Intangible Asset Useful Life (Detail) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Summary of Significant Accounting Policies - Summary of Adoption Impact of ASU 2020-06 on Consolidated Balance Sheet (Detail) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Earnings (Loss) Per Share - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Earnings (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Revenue Recognition - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Revenue Recognition - Summary of Revenue Disaggregated by Category (Detail) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Inventories - Components of Inventories (Detail) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Property and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Accrued Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Accrued Liabilities (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Changes in Non Current Asset Retirement Obligation (Detail) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Composition of Certain Reserves and Allowances (Detail) link:presentationLink link:calculationLink link:definitionLink 100750 - Disclosure - Composition of Certain Reserves and Allowances - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100760 - Disclosure - Composition of Certain Reserves and Allowances - Schedule of Changes in Warranty Reserves (Detail) link:presentationLink link:calculationLink link:definitionLink 100770 - Disclosure - Intangible Assets - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100780 - Disclosure - Intangible Assets - Schedule of Intangible Assets, Other than Goodwill (Detail) link:presentationLink link:calculationLink link:definitionLink 100790 - Disclosure - Intangible Assets - Summary of Amortization Expenses (Detail) link:presentationLink link:calculationLink link:definitionLink 100800 - Disclosure - Long-Term Debt and Other Liabilities - Schedule of Long-Term Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 100810 - Disclosure - Long-Term Debt and Other Liabilities - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100820 - Disclosure - Long-Term Debt and Other Liabilities - Summary of Redemption Prices Plus Accrued and Unpaid Interest (Detail) link:presentationLink link:calculationLink link:definitionLink 100830 - Disclosure - Derivative Instruments and Hedging Activities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100840 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Notional Amounts Strike Rates and End Dates of the Cap Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 100850 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Fair Value of Interest Rate Derivates (Details) link:presentationLink link:calculationLink link:definitionLink 100860 - Disclosure - Interest Costs - Summary of Interest Costs (Detail) link:presentationLink link:calculationLink link:definitionLink 100870 - Disclosure - Common Stock and Preferred Stock - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100880 - Disclosure - Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 100890 - Disclosure - Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 100900 - Disclosure - Business Segments and Major Customers - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100910 - Disclosure - Stock-Based Compensation and 401(k) Plan - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100920 - Disclosure - Stock-Based Compensation and 401(k) Plan - Summary of Stock-Based Compensation Expense by Operating Expense Excluding Discontinued Operations (Detail) link:presentationLink link:calculationLink link:definitionLink 100930 - Disclosure - Stock-Based Compensation and 401(k) Plan - Summary of Stock Options Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 100940 - Disclosure - Stock-Based Compensation and 401(k) Plan - Schedule of Weighted Average Assumptions Used and Weighted Average Grant Date Fair Value of Stock Options (Detail) link:presentationLink link:calculationLink link:definitionLink 100950 - Disclosure - Stock-Based Compensation and 401(k) Plan - Summarizes the Activities for Unvested RSUs and DSUs (Detail) link:presentationLink link:calculationLink link:definitionLink 100960 - Disclosure - Stock-Based Compensation and 401(k) Plan - Summarizes the Activity for Restricted Stock (Detail) link:presentationLink link:calculationLink link:definitionLink 100970 - Disclosure - Employee Retirement and Postretirement Benefits - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100980 - Disclosure - Income Tax [Pending final tax entries] - (Loss) Before Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 100990 - Disclosure - Income Tax - Components of (Benefit) Provision for Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 101000 - Disclosure - Income Tax - Income Tax Computed at Federal Statutory Tax Rates (Detail) link:presentationLink link:calculationLink link:definitionLink 101010 - Disclosure - Income Tax - Components of Deferred Income Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 101020 - Disclosure - Income Tax - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 101030 - Disclosure - Schedule Of Change In The Balance Of Gross Unrecognized Tax Benefits - Which Excludes Interest And Penalties (Details) link:presentationLink link:calculationLink link:definitionLink 101040 - Disclosure - Leases - Summary of our lease expense (Detail) link:presentationLink link:calculationLink link:definitionLink 101050 - Disclosure - Leases - Other information regarding our leases (Detail) link:presentationLink link:calculationLink link:definitionLink 101060 - Disclosure - Leases - Annual Future Minimum Obligations for Operating Leases Other than Arrangements with Commercial Airline Partners (Detail) link:presentationLink link:calculationLink link:definitionLink 101070 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 101080 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of changes in accumulated other comprehensive income (loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 101090 - Disclosure - Quarterly Data (Unaudited) - Summarized Quarterly Financial Information (Detail) link:presentationLink link:calculationLink link:definitionLink 101100 - Disclosure - Condensed Financial Information of Registrant - Condensed Balance Sheets (Detail) link:presentationLink link:calculationLink link:definitionLink 101110 - Disclosure - Condensed Financial Information of Registrant - Condensed Statements of Operations and Comprehensive Income (Loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 101120 - Disclosure - Condensed Financial Information of Registrant - Condensed Statements of Cash Flows (Detail) link:presentationLink link:calculationLink link:definitionLink 101130 - Disclosure - Discontinued Operations - Net Loss from Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 101140 - Disclosure - Discontinued Operations - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 101150 - Disclosure - Discontinued Operations - Summary of Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink