0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME 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 STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - Organization and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Significant Accounting Policies - Cash and Cash Equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Significant Accounting Policies - Amounts Due To Government Agencies (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Significant Accounting Policies - Quality Incentive Premium Revenue Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - Significant Accounting Policies - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 2111103 - Disclosure - Net Income per Share link:presentationLink link:calculationLink link:definitionLink 2312302 - Disclosure - Net Income per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - Net Income per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2114104 - Disclosure - Business Combinations link:presentationLink link:calculationLink link:definitionLink 2315303 - Disclosure - Business Combinations (Tables) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - Business Combinations - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - Business Combinations - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2118105 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2319304 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - Fair Value Measurements - Fair Value of Financial Instruments on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2422412 - Disclosure - Fair Value Measurements - Balance Sheet Grouping (Details) link:presentationLink link:calculationLink link:definitionLink 2423413 - Disclosure - Fair Value Measurements - Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2124106 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 2325305 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2426414 - Disclosure - Investments - Summary of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2427415 - Disclosure - Investments - Contractual Maturities of Available-for-Sale Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2428416 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2429417 - Disclosure - Investments - Available-for-Sale Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2130107 - Disclosure - Medical Claims and Benefits Payable link:presentationLink link:calculationLink link:definitionLink 2331306 - Disclosure - Medical Claims and Benefits Payable (Tables) link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - Medical Claims and Benefits Payable - Medical Claims and Benefits Payable (Details) link:presentationLink link:calculationLink link:definitionLink 2433419 - Disclosure - Medical Claims and Benefits Payable - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2434420 - Disclosure - Medical Claims and Benefits Payable - Components of Change in Medical Claims and Benefits Payable (Details) link:presentationLink link:calculationLink link:definitionLink 2135108 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2336307 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2437421 - Disclosure - Debt - Schedule of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2438422 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2139109 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2340308 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2441423 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2442424 - Disclosure - Stockholders' Equity - Share Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2443425 - Disclosure - Stockholders' Equity - Fair Value of Awards Granted and Vested (Details) link:presentationLink link:calculationLink link:definitionLink 2144110 - Disclosure - Segments link:presentationLink link:calculationLink link:definitionLink 2345309 - Disclosure - Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 2446426 - Disclosure - Segments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2447427 - Disclosure - Segments - Reconciliation of Gross Margin to Consolidated Income (Details) link:presentationLink link:calculationLink link:definitionLink 2148111 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink