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Disclosure - Segment Information (Adjusted EBITDA To Operating Income (Loss) And Consolidated Net Income) (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Earnings Per Share (Basic And Diluted Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Long-Term Debt (Schedule Of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - Long-Term Debt (Aggregate Contractual Maturities Of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - Stock-Based Awards (Stock-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - Income Taxes (Components Of Provision For Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41203 - Disclosure - Income Taxes (Deferred Tax Assets And Deferred Tax Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 41204 - Disclosure - Income Taxes (Reconciliation Of Income Tax Provision) (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - Commitments And Contingencies (Future Minimum Payments Under Operating Lease Agreements) (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - Commitments And Contingencies (Funding Commitments By Third Parties Or Contingent Events) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Statement - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00205 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00305 - Statement - Consolidated Statements Of Shareholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Property And Equipment link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Accrued Expenses And Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Retirement And Savings Plan link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Stock-Based Awards link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Supplemental Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - Quarterly Results link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - Valuation And Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Summary Of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Property And Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Accrued Expenses And Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Stock-Based Awards (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Commitments And Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Supplemental Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - Quarterly Results (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Organization (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Summary Of Significant Accounting Policies (Depreciation Period Of Property Plant And Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - Segment Information (Financial Information By Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Fair Value (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Fair Value (Fair Value Of Assets And Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Retirement And Savings Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Long-Term Debt (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Long-Term Debt (Summary Of Percentage Of Redemption Price) (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Stock-Based Awards (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - Stock-Based Awards (Summary Of Status Of Nonvested RSUs) (Details) link:presentationLink link:calculationLink link:definitionLink 41104 - Disclosure - Stock-Based Awards (Summary Of Status Of Outstanding Stock Options And SARs) (Details) link:presentationLink link:calculationLink link:definitionLink 41105 - Disclosure - Stock-Based Awards (Weighted Average Assumptions Used In Black-Scholes Option Pricing Model) (Details) link:presentationLink link:calculationLink link:definitionLink 41106 - Disclosure - Stock-Based Awards (Summary Of Information About Stock Options And SARs Outstanding And Exercisable) (Details) link:presentationLink link:calculationLink link:definitionLink 41107 - Disclosure - Stock-Based Awards (Weighted Average Assumptions Used In Valuation Of ESPP Options) (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41205 - Disclosure - Income Taxes (Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Commitments And Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Supplemental Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Shareholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - Quarterly Results (Schedule Of Quarterly Results) (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Schedule - Valuation And Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink