0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - New Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Other Current Assets link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Other Noncurrent Assets link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Accrued Payroll and Benefit Costs link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Employee Deferred Compensation Plan Obligations link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Other Current Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Other Noncurrent Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Accrued Payroll and Benefit Costs (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Summary of Significant Accounting Policies - Schedule of Company's Loss from Investments Held in Employee Deferred Compensation Trusts (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Summary of Significant Accounting Policies - Schedule of Composition of Underlying Assets Comprising Company's Deferred Compensation Plan Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Summary of Significant Accounting Policies - Schedule of Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue Recognition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Revenue Recognition - Schedule of Revenue Disaggregated by Line of Business (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Revenue Recognition - Schedule of Contract Liability Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases - Schedule of Lease Cost and Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Leases - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Other Noncurrent Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Accrued Payroll and Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Employee Deferred Compensation Plan Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Stockholders' Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Stockholders' Equity - Schedule of Number of Cost of Common Stock Shares Repurchased (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Stockholders' Equity - Schedule of Number and Cost of Employee Stock Plan Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Net Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Business Segments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Business Segments - Schedule of Reconciliation of Revenue and Operating Income by Reportable Segment to Consolidated Results (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Business Segments - Schedule of Depreciation Expense by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink