0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements Of Operations And Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Statements Of Income And Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements Of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Receivables link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property And Equipment link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Goodwill And Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Litigation And Other Related Contingencies link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Property And Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill And Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Summary Of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Revenue Recognition (Changes in Balances of Deferred Revenue and Wages) (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Receivables (Schedule Of Short-Term Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Receivables (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Property And Equipment (Components Of Property And Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Property And Equipment (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Goodwill And Intangible Assets (Schedule Of Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Goodwill And Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Goodwill And Intangible Assets (Intangible Assets Acquired and Liabilities Assumed) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Long-Term Debt (Components Of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Long-Term Debt (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Stock-Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Stock-Based Compensation (Summary Of Nonvested Shares) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Stock-Based Compensation (Assumptions Used To Value Options) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Income Taxes (Schedule Of Components Of Income From Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Income Taxes (Schedule Of Reconciliation Between Income Tax Provision And Statutory Federal Tax Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit) For Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Income Taxes (Schedule of Valuation Allowance) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Commitments And Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Leases (Lease Costs) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Leases (Other Information Related to Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Leases (Aggregate Operating Lease Maturities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Leases (Aggregate Operating Lease Maturities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Litigation And Other Related Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Segment Information (Continuing Operations By Reportable Operating Segment) (Details) link:presentationLink link:calculationLink link:definitionLink