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Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2104103 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 2406401 - Disclosure - Discontinued Operations - Astora - Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Discontinued Operations - Astora (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2108104 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 2309302 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 2410403 - Disclosure - Restructuring - 2020 Restructuring Initiative (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2411404 - Disclosure - Restructuring - Pre-tax Net Charges Related to November 2020 Restructuring Initiative (Details) link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - Restructuring - Pre-tax Net Charges Included in the Condensed Consolidated Statement of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 2413406 - Disclosure - Restructuring - Changes to the Liability for November 2020 Restructuring Initiative (Details) link:presentationLink link:calculationLink link:definitionLink 2114105 - Disclosure - Segment Results link:presentationLink link:calculationLink link:definitionLink 2315303 - Disclosure - Segment Results (Tables) link:presentationLink link:calculationLink link:definitionLink 2416407 - Disclosure - Segment Results - Schedule of Reportable Segments Information (Details) link:presentationLink link:calculationLink link:definitionLink 2417408 - Disclosure - Segment Results - Schedule of Reconciliations of Consolidated Adjusted Income (Loss) Before Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 2418409 - Disclosure - Segment Results - Schedule of Disaggregation of Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 2119106 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2320304 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2421410 - Disclosure - Fair Value Measurements - Restricted Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 2422411 - Disclosure - Fair Value Measurements - Financial Assets And Liabilities Measured At Fair Value On Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2423412 - Disclosure - Fair Value Measurements - (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2424413 - Disclosure - Fair Value Measurements - Financial Liabilities Measured At Fair Value On Recurring Basis Using Significant Unobservable Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 2425414 - Disclosure - Fair Value Measurements - Schedule of Financial Assets Measured At Fair Value On A Nonrecurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2126107 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 2327305 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 2428415 - Disclosure - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 2129108 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2330306 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2431416 - Disclosure - Leases - Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2432417 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2433418 - Disclosure - Leases - Cash Flow and Supplemental Noncash Information (Details) link:presentationLink link:calculationLink link:definitionLink 2134109 - Disclosure - Goodwill and Other Intangibles link:presentationLink link:calculationLink link:definitionLink 2335307 - Disclosure - Goodwill and Other Intangibles (Tables) link:presentationLink link:calculationLink link:definitionLink 2436419 - Disclosure - Goodwill and Other Intangibles - Schedule of Changes in the Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2437420 - Disclosure - Goodwill and Other Intangibles - Accumulated Impairment (Details) link:presentationLink link:calculationLink link:definitionLink 2438421 - Disclosure - Goodwill and Other Intangibles - Schedule of Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2439422 - Disclosure - Goodwill and Other Intangibles - Other Intangibles (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2440423 - Disclosure - Goodwill and Other Intangibles - Schedule of Estimated Amortization of Intangibles (Details) link:presentationLink link:calculationLink link:definitionLink 2441424 - Disclosure - Goodwill and Other Intangibles - Schedule of Intangible Asset Impairment Charges Including Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2442425 - Disclosure - Goodwill and Other Intangibles - Impairments Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2143110 - Disclosure - Contract Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 2344308 - Disclosure - Contract Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 2445426 - Disclosure - Contract Assets and Liabilities - Contract Assets and Contract Liabilities from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 2446427 - Disclosure - Contract Assets and Liabilities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2147111 - Disclosure - Accounts Payable and Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 2348309 - Disclosure - Accounts Payable and Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 2449428 - Disclosure - Accounts Payable and Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2150112 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2351310 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2452429 - Disclosure - Debt (Components of Total Indebtedness) (Details) link:presentationLink link:calculationLink link:definitionLink 2453430 - Disclosure - Debt (Credit Facility) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2454431 - Disclosure - Debt (Senior Notes and Senior Secured Notes) (Details) link:presentationLink link:calculationLink link:definitionLink 2455432 - Disclosure - Debt (Debt Refinancing Transactions) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2456433 - Disclosure - Debt (Maturities of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 2157113 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2358311 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2459434 - Disclosure - Commitments and Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2460435 - Disclosure - Commitments and Contingencies - Schedule of Loss Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 2161114 - Disclosure - Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 2462436 - Disclosure - Other Comprehensive Income (Loss) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2163115 - Disclosure - Shareholders' Deficit link:presentationLink link:calculationLink link:definitionLink 2364312 - 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Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 2374315 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2475441 - Disclosure - Net Income Per Share - (Reconciliation Of The Numerator And Denominator Of Basic And Diluted Net Loss Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 2476442 - Disclosure - Net Income Per Share - (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink