0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - ORGANIZATION link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - CASH AND RESTRICTED CASH link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - ASSETS AND LIABILITIES HELD FOR SALE link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - SHAREHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - RESTRUCTURING ACTIVITIES link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - CASH AND RESTRICTED CASH (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - ASSETS AND LIABILITIES HELD FOR SALE (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - SHAREHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - DEBT (Table) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - RESTRUCTURING ACTIVITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - REVENUE - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - REVENUE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - CASH AND RESTRICTED CASH (Details) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Balance of Goodwill, Net and Intangible Assets, Net (Details ) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets with Definite Lives (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Amortization of Intangible Assets with Definite Lives (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - ASSETS AND LIABILITIES HELD FOR SALE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - ASSETS AND LIABILITIES HELD FOR SALE - Assets and Liabilities Classified As Held For Sale (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - SHAREHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - STOCK-BASED COMPENSATION - Schedule of Non-cash Compensation Related to Equity Awards (Details ) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock Options and Stock Options with Market Conditions (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - STOCK-BASED COMPENSATION - Summary of RSA & RSU (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - STOCK-BASED COMPENSATION - Employee Stock Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - INCOME TAXES - Summary of Income Tax Expense and Effective Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - INCOME TAXES - Reconciliation of Income Tax (Expense) Benefit (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - DEBT - Convertible Senior Notes Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - DEBT - Components of Notes (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - DEBT - Convertible Note Hedge and Warrant Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - DEBT - Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - SEGMENT INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - RESTRUCTURING ACTIVITIES (Details) link:presentationLink link:calculationLink link:definitionLink