0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - BUSINESS DISPOSITIONS link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - GOODWILL AND LONG-LIVED ASSETS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - FINANCING ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - REVENUE RECOGNITION link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - RESTRUCTURING AND RELATED CHARGES (CREDITS) link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - SEGMENT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - GOODWILL AND LONG-LIVED ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - FINANCING ARRANGEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - REVENUE RECOGNITION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - RESTRUCTURING AND RELATED CHARGES (CREDITS) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - SEGMENT INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - BUSINESS DISPOSITIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - GOODWILL AND LONG-LIVED ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - GOODWILL AND LONG-LIVED ASSETS - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - GOODWILL AND LONG-LIVED ASSETS - Schedule of Estimated Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - INVESTMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Prepaid and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Other Non-Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Accrued Expense and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Other Non-Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED BALANCE SHEETS AND STATEMENTS OF OPERATIONS INFORMATION - Schedule of Other Income (Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - FINANCING ARRANGEMENTS - Schedule of Outstanding Debt Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - FINANCING ARRANGEMENTS - Convertible Senior Notes Due (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - FINANCING ARRANGEMENTS - Schedule of Interest Costs on Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - FINANCING ARRANGEMENTS - Cash Collateral Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - COMMITMENTS AND CONTINGENCIES - Purchase Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of Restricted Stock Units and Performance Share Units Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of Weighted-Average Assumptions for Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of Stock Options Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Outstanding PSU Award Stock Price Hurdles and Service Conditions (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of PSUs and Market-based PSU's Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - STOCKHOLDERS' EQUITY (DEFICIT) AND COMPENSATION ARRANGEMENTS - Schedule of PSUs by Grant Date (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - REVENUE RECOGNITION - Schedule of Activity in the Liability of Customer Credits (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - REVENUE RECOGNITION - Schedule of Activity in Allowance for Expected Credit Losses on Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - RESTRUCTURING AND RELATED CHARGES (CREDITS) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - RESTRUCTURING AND RELATED CHARGES (CREDITS) - Schedule of Restructuring Activity by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - RESTRUCTURING AND RELATED CHARGES (CREDITS) - Schedule of Restructuring Liability Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - INCOME (LOSS) PER SHARE - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share of Common Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - INCOME (LOSS) PER SHARE - Schedule of Weighted-Average Potentially Dilutive Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - INCOME (LOSS) PER SHARE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - SEGMENT INFORMATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - SEGMENT INFORMATION - Schedule of Revenue by Reportable Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - SEGMENT INFORMATION - Schedule of Contribution Profit by Segment (Details) link:presentationLink link:calculationLink link:definitionLink