0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952155 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Revenue and Deferred Costs link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Fair Value Measures and Disclosures link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Property and Equipment (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Other Assets (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Debt (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Industry and Supplier Concentrations (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Stock Based Compensation (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Earnings Per Share (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Employee Benefit Plans (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Business Acquisitions (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Reportable Segment Information (Text Block) link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Subsequent Events (Text Block) link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Fair Value Measures and Disclosures (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Leases (Policies) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Organization, Consolidation and Presentation of Financial Statements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Revenue from Contract with Customer (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Fair Value Measures and Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Other Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Income Taxes Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Stock Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Reportable Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies Allowance for Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Nature of Operations and Summary of Significant Accounting Policies Purchase of Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Reportable Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Treasury Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue and Deferred Costs Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Revenue and Deferred Costs Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Revenue and Deferred Costs Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Revenue and Deferred Costs Contract Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Fair Value Measures and Disclosures (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Leases Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Other Assets Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Other Assets Other Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - 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Disclosure - Stock Based Compensation Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Unit Awards (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Unit Award Measurement Date Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Employee Benefits Plans Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Employee Benefits Plans 401(k) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Business Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Reportable Segment Information Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Reportable Segment Information Reconciliation of Operating Profit by Segment to Consolidated (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink