0001001 - Document - Cover Page 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 - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - NATURE OF OPERATIONS AND PRESENTATION OF FINANCIAL STATEMENTS link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - NATURE OF OPERATIONS AND PRESENTATION OF FINANCIAL STATEMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Immaterial Error Correction (Details) link:presentationLink link:calculationLink link:definitionLink 2108103 - Disclosure - BUSINESS COMBINATIONS AND ASSET ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 2309302 - Disclosure - BUSINESS COMBINATIONS AND ASSET ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - BUSINESS COMBINATIONS AND ASSET ACQUISITIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - BUSINESS COMBINATIONS AND ASSET ACQUISITIONS - Acquired Identifiable Assets and Assumed Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2112104 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 2313303 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2414406 - Disclosure - REVENUE - Net Revenue Earned by Category of Payer (Details) link:presentationLink link:calculationLink link:definitionLink 2115105 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2416407 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 2117106 - Disclosure - EARNINGS (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 2318304 - Disclosure - EARNINGS (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2419408 - Disclosure - EARNINGS (LOSS) PER SHARE - Schedule of Basic and Diluted Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 2120107 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 2321305 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 2422409 - Disclosure - LEASES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2423410 - Disclosure - LEASES - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2423410 - Disclosure - LEASES - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2124108 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 2325306 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2426411 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2127109 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 2328307 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2429412 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2430413 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount and Accumulated Amortization of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2131110 - Disclosure - INDEBTEDNESS link:presentationLink link:calculationLink link:definitionLink 2332308 - Disclosure - INDEBTEDNESS (Tables) link:presentationLink link:calculationLink link:definitionLink 2433414 - Disclosure - INDEBTEDNESS - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2433414 - Disclosure - INDEBTEDNESS - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2434415 - Disclosure - INDEBTEDNESS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2435416 - Disclosure - INDEBTEDNESS - Long Term Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2436417 - Disclosure - INDEBTEDNESS - Estimated Fair Values of Debt Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2137111 - Disclosure - DERIVATIVE INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2338309 - Disclosure - DERIVATIVE INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2439418 - Disclosure - DERIVATIVE INSTRUMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2440419 - Disclosure - DERIVATIVE INSTRUMENTS - Balance Sheet Location of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 2441420 - Disclosure - DERIVATIVE INSTRUMENTS - Pre-tax Gain (Loss) on Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2142112 - Disclosure - FAIR VALUE MEASURMENTS link:presentationLink link:calculationLink link:definitionLink 2143113 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2144114 - Disclosure - STOCK-BASED INCENTIVE COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2445421 - Disclosure - STOCK-BASED INCENTIVE COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 2146115 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2447422 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 2148116 - Disclosure - RELATED-PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2449423 - Disclosure - RELATED-PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink