0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Basis of Financial Statements link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Basis of Financial Statements (Policies) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Basis of Financial Statements (Tables) link:presentationLink link:calculationLink link:definitionLink 2404401 - Disclosure - Basis of Financial Statements - Principles of Consolidation and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Basis of Financial Statements - Recent Developments (Details) link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Basis of Financial Statements - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Basis of Financial Statements - Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - Basis of Financial Statements - Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 2409406 - Disclosure - Basis of Financial Statements - Change in Accounting Principle for Equity investments (Details) link:presentationLink link:calculationLink link:definitionLink 2110102 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2311302 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2412407 - Disclosure - Leases - Future Undiscounted Payments Under Operating Lease Arrangements Under ASC Topic 842 (Details) link:presentationLink link:calculationLink link:definitionLink 2412407 - Disclosure - Leases - Future Undiscounted Payments Under Operating Lease Arrangements Under ASC Topic 842 (Details) link:presentationLink link:calculationLink link:definitionLink 2113103 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2314303 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2415408 - Disclosure - Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2416409 - Disclosure - Fair Value Measurements - Summary of Changes in the Fair Values of Level 3 Assets Measured on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2117104 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 2318304 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2419410 - Disclosure - Investments - Equity Securities Gains (Losses) (Details) link:presentationLink link:calculationLink link:definitionLink 2420411 - Disclosure - Investments - Schedule of Investments in Unconsolidated Affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 2421412 - Disclosure - Investments - Schedule of Summarized Financial Information, D&B and AmeriLife (Details) link:presentationLink link:calculationLink link:definitionLink 2421412 - Disclosure - Investments - Schedule of Summarized Financial Information, D&B and AmeriLife (Details) link:presentationLink link:calculationLink link:definitionLink 2422413 - Disclosure - Investments - Schedule of Summarized Financial Information, Equity Fund (Details) link:presentationLink link:calculationLink link:definitionLink 2423414 - Disclosure - Investments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2424415 - Disclosure - Investments - Schedule of Carrying Amounts and Fair Values of Available for Sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2125105 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 2326305 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 2427416 - Disclosure - Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 2128106 - Disclosure - Notes Payable link:presentationLink link:calculationLink link:definitionLink 2329306 - Disclosure - Notes Payable (Tables) link:presentationLink link:calculationLink link:definitionLink 2430417 - Disclosure - Notes Payable - Schedule of Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 2431418 - Disclosure - Notes Payable - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2432419 - Disclosure - Notes Payable - Gross Principal Maturities of Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 2133107 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2334307 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2435420 - Disclosure - Commitments and Contingencies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2436421 - Disclosure - Commitments and Contingencies - Purchase Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2137108 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 2338308 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2439422 - Disclosure - Segment Information - Summary of Financial Information Concerning Reportable Segments (Details) link:presentationLink link:calculationLink link:definitionLink 2440423 - Disclosure - Segment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2141109 - Disclosure - Supplemental Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 2342309 - Disclosure - Supplemental Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2443424 - Disclosure - Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 2144110 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 2345310 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 2446425 - Disclosure - Revenue Recognition - Disaggregated Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2447426 - Disclosure - Revenue Recognition - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 2148111 - Disclosure - Goodwill and Other Intangible Assets link:presentationLink link:calculationLink link:definitionLink 2349311 - Disclosure - Goodwill and Other Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 2450427 - Disclosure - Goodwill and Other Intangible Assets - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2451428 - Disclosure - Goodwill and Other Intangible Assets - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2152112 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 2353312 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 2454429 - Disclosure - Discontinued Operations - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2455430 - Disclosure - Discontinued Operations - Reconciliation of Operations (Details) link:presentationLink link:calculationLink link:definitionLink