2107100 - Disclosure - Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Accrued Expenses (Schedule of Accrued Expenses) (Detail) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Asset Disposition link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Asset Disposition (Details) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Asset Disposition (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Business Combinations link:presentationLink link:calculationLink link:definitionLink 2402402 - Disclosure - Business Combinations (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Commitments and Contingencies (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Commitments and Contingencies (Schedule of Future Minimum Payments under Noncancelable Lease Agreements) (Detail) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Operations and Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1002501 - Statement - Consolidated Statements of Operations and Comprehensive Income (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 2413401 - Disclosure - Employee Benefit Plans (Detail) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Geographic Information link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Geographic Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Goodwill and Intangible Assets (Carrying Value of Goodwill) (Detail) link:presentationLink link:calculationLink link:definitionLink 2406406 - Disclosure - Goodwill and Intangible Assets (Estimated Future Amortization of Acquired Intangible Assets) (Detail) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Goodwill and Intangible Assets (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2406404 - Disclosure - Goodwill and Intangible Assets (Schedule of Acquired Intangible Assets) (Detail) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2406405 - Disclosure - Goodwill and Intangible Assets (Weighted Average Remaining Amortization Period) (Detail) link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2410403 - Disclosure - Income Taxes (Component Of (Loss) Income Before Income Tax) (Detail) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - Income Taxes (Components of Net Deferred Income Taxes) (Detail) link:presentationLink link:calculationLink link:definitionLink 2410407 - Disclosure - Income Taxes (Deferred Tax Asset Valuation Allowance) (Detail) link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - Income Taxes (Effective Income Tax Rate Reconciliation) (Detail) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Income Taxes (Income Tax (Benefit) Provision) (Detail) link:presentationLink link:calculationLink link:definitionLink 2410402 - Disclosure - Income Taxes (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2310301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2410408 - Disclosure - Income Taxes (Unrecognized Income Tax Benefits) (Detail) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Long-Term Debt and Other Financing Arrangement link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Long-Term Debt and Other Financing Arrangement (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Long-Term Debt and Other Financing Arrangement (Schedule of Future Minimum Payments for Capital Leases) (Detail) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - Long-Term Debt and Other Financing Arrangement (Schedule of Future Minimum Payments for Capital Leases) (Detail) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Long-Term Debt and Other Financing Arrangement (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 2105100 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 2405403 - Disclosure - Property and Equipment (Capital Lease Obligations) (Detail) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Property and Equipment (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Quarterly Financial Information link:presentationLink link:calculationLink link:definitionLink 2414403 - Disclosure - Quarterly Financial Information (Amortization Of Stock-Based Compensation) (Detail) link:presentationLink link:calculationLink link:definitionLink 2414402 - Disclosure - Quarterly Financial Information (Schedule Of Quarterly Financial Information) (Detail) link:presentationLink link:calculationLink link:definitionLink 2314301 - Disclosure - Quarterly Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Share Repurchases link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Share Repurchases (Tables) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Stockholders' Equity (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2411406 - Disclosure - Stockholders' Equity (Nonvested Stock Awards) (Detail) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - Stockholders' Equity (Option Outstanding Range of Exercise Price) (Details) link:presentationLink link:calculationLink link:definitionLink 2411407 - Disclosure - Stockholders' Equity (Shares Reserved for Issuance) (Detail) link:presentationLink link:calculationLink link:definitionLink 2411404 - Disclosure - Stockholders' Equity (Stock Option Activity) (Detail) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2401403 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Detail) link:presentationLink link:calculationLink link:definitionLink 2201201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2401405 - Disclosure - Summary of Significant Accounting Policies (Schedule of Allowance For Doubtful Accounts) (Details) link:presentationLink link:calculationLink link:definitionLink 2401408 - Disclosure - Summary of Significant Accounting Policies (Schedule of Computing Basic and Diluted Net (Loss) Income Per Common Share) (Detail) link:presentationLink link:calculationLink link:definitionLink 2401404 - Disclosure - Summary of Significant Accounting Policies (Schedule of Measured At Fair Value On Non-recurring Basis) (Detail) link:presentationLink link:calculationLink link:definitionLink 2401406 - Disclosure - Summary of Significant Accounting Policies (Schedule of Useful Lives of Finite Lived Intangible Assets) (Detail) link:presentationLink link:calculationLink link:definitionLink 2301302 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink