0000001 - Document - COVER link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - AUDIT INFORMATION link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - DESCRIPTION OF BUSINESS link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - TRANSACTIONS WITH ENSIGN link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - BUSINESS SEGMENTS link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - PROPERTY AND EQUIPMENT—NET link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - GOODWILL AND INTANGIBLE ASSETS—NET link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - OTHER ACCRUED LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - OPTIONS AND AWARDS link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - COMMON STOCK REPURCHASE PROGRAM link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - BUSINESS SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - PROPERTY AND EQUIPMENT—NET (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - GOODWILL AND INTANGIBLE ASSETS—NET (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - OTHER ACCRUED LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - OPTIONS AND AWARDS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - DESCRIPTION OF BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUMMARY OF INSURANCE LIABILITY (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - SUMMARY OF INSURANCE LIABILITY (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - TRANSACTIONS WITH ENSIGN (Details) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - COMPUTATION OF NET INCOME PER COMMON SHARE - RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - REVENUE BY MAJOR PAYOR (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - ACCOUNTS RECEIVABLE (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - REVENUE AND ACCOUNTS RECEIVABLE - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - BUSINESS SEGMENTS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - BUSINESS SEGMENTS - FINANCIAL DATA (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - BUSINESS SEGMENTS - INCOME FROM OPERATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - ACQUISITIONS - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - ACQUISITIONS - SCHEDULE OF OPERATIONS ACQUIRED IN BUSINESS COMBINATIONS (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - PROPERTY AND EQUIPMENT—NET (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - GOODWILL AND INTANGIBLE ASSETS—NET - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - GOODWILL AND INTANGIBLE ASSETS—NET - ACTIVITY IN GOODWILL (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - GOODWILL AND INTANGIBLE ASSETS—NET - INDEFINITE-LIVED INTANGIBLE ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - OTHER ACCRUED LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - DEBT - SCHEDULE OF LONG-TERM DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - DEBT - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - OPTIONS AND AWARDS - SHARE-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - OPTIONS AND AWARDS - SHARE-BASED COMPENSATION EXPENSE AND NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - OPTIONS AND AWARDS - OPTIONS GRANTED (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - OPTIONS AND AWARDS - EMPLOYEE STOCK OPTION ACTIVITY (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - OPTIONS AND AWARDS - AGGREGATE INTRINSIC VALUE OF OPTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - OPTIONS AND AWARDS - RESTRICTED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - LEASES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - LEASES - IMPACT OF NEW LEASES GUIDANCE (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - LEASES - FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - LEASES - FUTURE MINIMUM LEASE PAYMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - INCOME TAXES - PROVISION FOR INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - INCOME TAXES - TAX RATE RECONCILIATION (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - INCOME TAXES - DEFERRED TAX ASSETS AND LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - INCOME TAXES - NARRATIVE (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - COMMON STOCK REPURCHASE PROGRAM (Details) link:presentationLink link:calculationLink link:definitionLink