00100 - Statement - BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - CONSOLIDATED STATEMENTS OF EARNINGS (LOSS) link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Business Combinations (Assets Acquired and Liabilities Assumed) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Property and Equipment, Net (Property and Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Long-Term Debt - Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Commitments, Contingencies and Off-Balance Sheet Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Stockholders' Equity - Computation of Basic and Diluted Net Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - Income Taxes - Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - Income Taxes - Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 41304 - Disclosure - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Description of Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Business Combinations link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Goodwill and Long-Lived Assets, Net link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Long-Term Debt link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Commitments, Contingencies and Off-Balance Sheet Arrangements link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Employee Retirement Plans link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Employee Stock Purchase Plan link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Fair Value Information link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Selected Quarterly Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 20102 - Disclosure - Description of Business and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Commitments, Contingencies And Off-Balance-Sheet Arrangements (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Selected Quarterly Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Business Combinations (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Goodwill and Long-Lived Assets, Net (Major Asset Classes) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Employee Retirement Plans (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Stockholders' Equity - Long-Term Incentive Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Stockholders' Equity - Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Fair Value Information (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Income Taxes - Components of Earnings Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 41305 - Disclosure - Income Taxes - Gross Uncertain Tax Positions Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Segment Reporting (Revenues and Operating Earnings (Losses) by Reportable Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - Segment Reporting (Revenues by Service Offering by Reportable Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 41403 - Disclosure - Segment Reporting (Capital Expenditures by Reportable Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 41404 - Disclosure - Segment Reporting (Total Assets by Reportable Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Selected Quarterly Data (Unaudited) (Summarized Data) (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - Valuation and Qualifying Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Business Combinations (Tables) link:presentationLink link:calculationLink link:definitionLink