0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statements of Operations (Unaudited)- Alternative Calc link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Balance Sheets (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Changes in Stockholders’ Equity (Deficit) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - DISCONTINUED OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - GOODWILL AND PURCHASED INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - DEBT OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - STOCK COMPENSATION PLANS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - EMPLOYEE BENEFIT PLANS link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - SERIES A CONVERTIBLE PREFERRED STOCK link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - DERIVATIVES AND HEDGING INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Fair Value of Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION 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 - GOODWILL AND PURCHASED INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - DEBT OBLIGATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - STOCK COMPENSATION PLANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - DERIVATIVES AND HEDGING INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Fair Value of Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Cash and Cash equivalents (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Contract Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - DISCONTINUED OPERATIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - GOODWILL AND PURCHASED INTANGIBLE ASSETS - Goodwill by Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - GOODWILL AND PURCHASED INTANGIBLE ASSETS - Purchased Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - GOODWILL AND PURCHASED INTANGIBLE ASSETS - Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS - Revenue and Operating Income By Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS - Net Income Reconciled to Adjusted EBITDA (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS - Revenue by Geography (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - SEGMENT INFORMATION AND CONCENTRATIONS - Revenue by Products and Services (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - DEBT OBLIGATIONS - Short-term Borrowings and Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - DEBT OBLIGATIONS - Additional Information, Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - DEBT OBLIGATIONS - Additional Information, Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - STOCK COMPENSATION PLANS - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - STOCK COMPENSATION PLANS - Valuation Assumptions Used for Restricted Stock Units with a Market Condition (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - STOCK COMPENSATION PLANS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - EMPLOYEE BENEFIT PLANS (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - SERIES A CONVERTIBLE PREFERRED STOCK (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - EARNINGS PER SHARE - Components of Basic and Diluted Earnings (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - EARNINGS PER SHARE - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - DERIVATIVES AND HEDGING INSTRUMENTS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - DERIVATIVES AND HEDGING INSTRUMENTS - Derivative Fair Values (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - DERIVATIVES AND HEDGING INSTRUMENTS - Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Fair Value of Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Components of Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Components of Inventory (Details) link:presentationLink link:calculationLink link:definitionLink