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 2405402 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 2106103 - Disclosure - BUSINESS ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - BUSINESS ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2408403 - Disclosure - BUSINESS ACQUISITIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - BUSINESS ACQUISITIONS - Consideration Exchanged (Details) link:presentationLink link:calculationLink link:definitionLink 2410405 - Disclosure - BUSINESS ACQUISITIONS - Acquired Identifiable Assets and Assumed Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2411406 - Disclosure - BUSINESS ACQUISITIONS - Consideration Allocated to Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2412407 - Disclosure - BUSINESS ACQUISITIONS - Pro Forma Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 2113104 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 2314302 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2415408 - Disclosure - REVENUE - Net Revenue Earned by Category of Payer (Details) link:presentationLink link:calculationLink link:definitionLink 2116105 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 2118106 - Disclosure - EARNINGS (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 2319303 - Disclosure - EARNINGS (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - EARNINGS (LOSS) PER SHARE - Schedule of Basic and Diluted Earnings (Details) link:presentationLink link:calculationLink link:definitionLink 2121107 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 2322304 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 2423411 - Disclosure - LEASES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2424412 - Disclosure - LEASES - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2424412 - Disclosure - LEASES - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2125108 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 2326305 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2427413 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2128109 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 2329306 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2430414 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2431415 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount and Accumulated Amortization of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2132110 - Disclosure - INDEBTEDNESS link:presentationLink link:calculationLink link:definitionLink 2333307 - Disclosure - INDEBTEDNESS (Tables) link:presentationLink link:calculationLink link:definitionLink 2434416 - Disclosure - INDEBTEDNESS - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2434416 - Disclosure - INDEBTEDNESS - Summary of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2435417 - Disclosure - INDEBTEDNESS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2436418 - Disclosure - INDEBTEDNESS - Long Term Debt Maturities (Details) link:presentationLink link:calculationLink link:definitionLink 2437419 - Disclosure - INDEBTEDNESS - Estimated Fair Values of Debt Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2138111 - Disclosure - DERIVATIVE INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2339308 - Disclosure - DERIVATIVE INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2440420 - Disclosure - DERIVATIVE INSTRUMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2441421 - Disclosure - DERIVATIVE INSTRUMENTS - Balance Sheet Location of Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 2442422 - Disclosure - DERIVATIVE INSTRUMENTS - Pre-tax Gain (Loss) on Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2143112 - Disclosure - FAIR VALUE MEASURMENTS link:presentationLink link:calculationLink link:definitionLink 2144113 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2145114 - Disclosure - STOCK-BASED INCENTIVE COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2446423 - Disclosure - STOCK-BASED INCENTIVE COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 2147115 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2448424 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 2149116 - Disclosure - RELATED-PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 2450425 - Disclosure - RELATED-PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 2151117 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 2452426 - Disclosure - SUBSEQUENT EVENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink