0000001 - Document - COVER PAGE 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 link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - REVENUE RECOGNITION link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - OTHER FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - WARRANTY OBLIGATIONS link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENT CHARGES link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - NET INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9954471 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 9954472 - Disclosure - REVENUE RECOGNITION (Tables) link:presentationLink link:calculationLink link:definitionLink 9954473 - Disclosure - OTHER FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9954474 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954475 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954476 - Disclosure - WARRANTY OBLIGATIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954477 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954478 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENT CHARGES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954479 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954480 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9954481 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9954482 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9954483 - Disclosure - REVENUE RECOGNITION - Summary of Disaggregated Revenue by Primary Geographical Market and Timing of Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9954484 - Disclosure - REVENUE RECOGNITION - Summary of Contract Assets and Contract Liabilities from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9954485 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954486 - Disclosure - REVENUE RECOGNITION - Summary of Significant Changes in the Balances of Contract Liabilities and Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - REVENUE RECOGNITION - Summary of Estimated Revenue Expected to be Recognized in Future Periods (Details) link:presentationLink link:calculationLink link:definitionLink 9954487 - Disclosure - REVENUE RECOGNITION - Summary of Estimated Revenue Expected to be Recognized in Future Periods (Details) link:presentationLink link:calculationLink link:definitionLink 9954488 - Disclosure - OTHER FINANCIAL INFORMATION - Inventory (Details) link:presentationLink link:calculationLink link:definitionLink 9954489 - Disclosure - OTHER FINANCIAL INFORMATION - Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954490 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9954491 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9954492 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954493 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954494 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Expected Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954495 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9954496 - Disclosure - CASH EQUIVALENTS AND MARKETABLE SECURITIES - Schedule of Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9954497 - Disclosure - WARRANTY OBLIGATIONS - Summary of Warranty Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9954498 - Disclosure - WARRANTY OBLIGATIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954499 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9954500 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954501 - Disclosure - FAIR VALUE MEASUREMENTS - Debt Securities Schedule of Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9954502 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Changes in Nonfinancial Liabilities Related to Warrant Obligations Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 9954503 - Disclosure - FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs used in the Fair Value Measurement of Liabilities Designated as Level 3 (Details) link:presentationLink link:calculationLink link:definitionLink 9954504 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENT CHARGES - Restructuring And Asset Impairment Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9954505 - Disclosure - RESTRUCTURING AND ASSET IMPAIRMENT CHARGES - Rollforward (Details) link:presentationLink link:calculationLink link:definitionLink 9954506 - Disclosure - DEBT - Long-term debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954506 - Disclosure - DEBT - Long-term debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954507 - Disclosure - DEBT - Schedule of Interest Cost Recognized In Statements Of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9954508 - Disclosure - DEBT - Convertible Senior Notes due in 2028 Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954509 - Disclosure - DEBT - Convertible Senior Notes due in 2026 Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954510 - Disclosure - DEBT - Convertible Senior Notes due in 2025 Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954511 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954512 - Disclosure - COMMITMENTS AND CONTINGENCIES - Lease Expense Components (Details) link:presentationLink link:calculationLink link:definitionLink 9954513 - Disclosure - COMMITMENTS AND CONTINGENCIES - Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954514 - Disclosure - COMMITMENTS AND CONTINGENCIES - Supplemental Cash Flow and Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954515 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9954515 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Minimum Lease Payments Under Noncancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9954516 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9954517 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9954518 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock-Based Compensation Expense Associated with Each Type of Award (Details) link:presentationLink link:calculationLink link:definitionLink 9954519 - Disclosure - STOCK-BASED COMPENSATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9954520 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954521 - Disclosure - STOCK-BASED COMPENSATION - Summary of Stock Options Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 9954522 - Disclosure - STOCK-BASED COMPENSATION - Summary of Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954523 - Disclosure - STOCK-BASED COMPENSATION - Summary of Performance Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9954524 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9954525 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Computation of Basic and Diluted Net Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9954526 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Potentially Dilutive Securities Excluded from the Computation of Diluted Net Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink