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Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 2415402 - Disclosure - Fair Value Fair Value (Summary Of Carrying Amounts And Estimated Fair Values Of Company's Financial Instruments) (Details) link:presentationLink link:calculationLink link:definitionLink 2315301 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Goodwill And Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Goodwill And Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Goodwill And Intangible Assets (Schedule Of Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Goodwill And Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2417401 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2118100 - Disclosure - Interest Income And Interest Expense link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - Interest Income And Interest Expense (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - Interest Income And Interest Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 2120100 - Disclosure - Litigation And Related Contingencies link:presentationLink link:calculationLink link:definitionLink 2420401 - Disclosure - Litigation And Related Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 2410402 - 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Disclosure - Loss Per Share and Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Loss Per Share and Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Loss Per Share and Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Receivables link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Receivables (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2404406 - Disclosure - Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) link:presentationLink link:calculationLink link:definitionLink 2404404 - Disclosure - Receivables (Schedule Of Loans Receivable) (Details) link:presentationLink link:calculationLink link:definitionLink 2404405 - Disclosure - Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Receivables (Schedule Of Short-Term Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink