0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Comprehensive (Loss) Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Changes in Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Background and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Operating revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Stock Repurchase Program link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Credit Facility link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Litigation and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Restructuring Activities link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Operating revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Employee Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Restructuring Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - 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Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Operating revenue from Contracts with Customers - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Operating revenue from Contracts with Customers - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Leases - Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Leases - Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases - Maturities of Finance and Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases - Maturities of Finance and Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Stock Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Stock-Based Compensation - Restricted Stock Units' Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Stock-Based Compensation - Performance Stock Units Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Employee Benefit Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Employee Benefit Plans - Defined Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Employee Benefit Plans - Recognized in Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Employee Benefit Plans - Recognized in Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Employee Benefit Plans - Accumulated Benefit of Obligation in Excess of Plan Asset (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Employee Benefit Plans - Net Period of Net Periodic Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Employee Benefit Plans - Weighted-Average Assumptions Used for Measurement of Defined Pension Plans (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Employee Benefit Plans - Plan Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Employee Benefit Plans - Acceptable Level of Volatility (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Employee Benefit Plans - Expected Future Benefit Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Income Taxes - Components of Income Tax Benefit (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Income Taxes - Components of Income (Loss) Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Income Taxes - Differences Between Total Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Income Taxes - Significant Portions of the Deferred Tax Assets and Deferred Tax Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - 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