0000001 - Document - COVER link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - AUDIT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - DESCRIPTION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - TRANSACTIONS WITH ENSIGN link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - BUSINESS SEGMENTS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - PROPERTY AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - OTHER ACCRUED LIABILITIES link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - OPTIONS AND AWARDS link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - DEFINED CONTRIBUTION PLAN link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - BUSINESS SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - PROPERTY AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - OTHER ACCRUED LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - OPTIONS AND AWARDS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - DESCRIPTION OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUMMARY OF INSURANCE LIABILITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUMMARY OF INSURANCE LIABILITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - TRANSACTIONS WITH ENSIGN (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - REVENUE BY MAJOR PAYOR (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - ACCOUNTS RECEIVABLE (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - BUSINESS SEGMENTS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - BUSINESS SEGMENTS - FINANCIAL DATA (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - BUSINESS SEGMENTS - INCOME FROM OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - BUSINESS SEGMENTS - ADJUSTED SEGMENT DEPRECIATION EXPENSE (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - ACQUISITIONS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - ACQUISITIONS - SCHEDULE OF OPERATIONS ACQUIRED IN BUSINESS COMBINATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - PROPERTY AND EQUIPMENT, NET - PROPERTY AND EQUIPMENT, NET (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - PROPERTY AND EQUIPMENT, NET - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - ACTIVITY IN GOODWILL (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - INDEFINITE-LIVED INTANGIBLE ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - OTHER ACCRUED LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - DEBT - SCHEDULE OF LONG-TERM DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - DEBT - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - OPTIONS AND AWARDS - SHARE-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - OPTIONS AND AWARDS - UNVESTED STOCK OPTIONS AND RESTRICTED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - OPTIONS AND AWARDS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - OPTIONS AND AWARDS - OPTIONS GRANTED (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - OPTIONS AND AWARDS - EMPLOYEE STOCK OPTION ACTIVITY (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - OPTIONS AND AWARDS - AGGREGATE INTRINSIC VALUE OF OPTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - OPTIONS AND AWARDS - RESTRICTED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - LEASES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - LEASES - IMPACT OF NEW LEASES GUIDANCE (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - LEASES - FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - LEASES - FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - INCOME TAXES - PROVISION FOR INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - INCOME TAXES - TAX RATE RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - INCOME TAXES - DEFERRED TAX ASSETS AND LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - DEFINED CONTRIBUTION PLAN (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink