0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - Consolidated Statements Of Operations And Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - Consolidated Statements Of Income And Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - Consolidated Statements Of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - Consolidated Statements Of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - Summary Of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2104102 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Revenue Recognition (Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Revenue Recognition (Changes in Balances of Deferred Revenue and Wages) (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Revenue Recognition (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 2110103 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 2311302 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2113104 - Disclosure - Receivables link:presentationLink link:calculationLink link:definitionLink 2314303 - Disclosure - Receivables (Tables) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - Receivables (Schedule Of Short-Term Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - Receivables (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) link:presentationLink link:calculationLink link:definitionLink 2418410 - Disclosure - Receivables (Schedule Of Activity In The Allowance For Doubtful Accounts) (Details) link:presentationLink link:calculationLink link:definitionLink 2119105 - Disclosure - Property And Equipment link:presentationLink link:calculationLink link:definitionLink 2320304 - Disclosure - Property And Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - Property And Equipment (Components Of Property And Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 2422412 - Disclosure - Property And Equipment (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2123106 - Disclosure - Goodwill And Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2324305 - Disclosure - Goodwill And Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2425413 - Disclosure - Goodwill And Intangible Assets (Schedule Of Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 2426414 - Disclosure - Goodwill And Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2427415 - Disclosure - Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 2428416 - Disclosure - Goodwill And Intangible Assets (Intangible Assets Acquired and Liabilities Assumed) (Details) link:presentationLink link:calculationLink link:definitionLink 2129107 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 2330306 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2431417 - Disclosure - Long-Term Debt (Components Of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 2431417 - Disclosure - Long-Term Debt (Components Of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - Long-Term Debt (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2133108 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 2334307 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 2435419 - Disclosure - Stock-Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2436420 - Disclosure - Stock-Based Compensation (Summary Of Nonvested Shares) (Details) link:presentationLink link:calculationLink link:definitionLink 2437421 - Disclosure - Stock-Based Compensation (Assumptions Used To Value Options) (Details) link:presentationLink link:calculationLink link:definitionLink 2138109 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2339308 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2440422 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2441423 - Disclosure - Income Taxes (Schedule Of Components Of Income From Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2442424 - Disclosure - Income Taxes (Schedule Of Reconciliation Between Income Tax Provision And Statutory Federal Tax Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 2443425 - Disclosure - Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit) For Continuing Operations) (Details) link:presentationLink link:calculationLink link:definitionLink 2444426 - Disclosure - Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 2445427 - Disclosure - Income Taxes (Schedule of Valuation Allowance) (Details) link:presentationLink link:calculationLink link:definitionLink 2446428 - Disclosure - Income Taxes (Schedule Of Reconciliation Of Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 2147110 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 2448429 - Disclosure - Commitments And Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2149111 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2350309 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2451430 - Disclosure - Leases (Lease Costs) (Details) link:presentationLink link:calculationLink link:definitionLink 2452431 - Disclosure - Leases (Other Information Related to Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 2453432 - Disclosure - Leases (Aggregate Operating Lease Maturities) (Details) link:presentationLink link:calculationLink link:definitionLink 2453432 - Disclosure - Leases (Aggregate Operating Lease Maturities) (Details) link:presentationLink link:calculationLink link:definitionLink 2154112 - Disclosure - Litigation And Other Related Contingencies link:presentationLink link:calculationLink link:definitionLink 2455433 - Disclosure - Litigation And Other Related Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 2156113 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2457434 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink