0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0002002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 1001003 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002004 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1005007 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 1006008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2104102 - Disclosure - REVENUE RECOGNITION link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - REVENUE RECOGNITION (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - REVENUE RECOGNITION - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - REVENUE RECOGNITION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - REVENUE RECOGNITION - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - REVENUE RECOGNITION - Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2109103 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 2310302 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - FAIR VALUE MEASUREMENTS - Cash, Cash Equivalents and Investments with Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - FAIR VALUE MEASUREMENTS - Cash, Cash Equivalents and Investments with Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - FAIR VALUE MEASUREMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2113104 - Disclosure - INTANGIBLE ASSETS AND GOODWILL link:presentationLink link:calculationLink link:definitionLink 2314303 - Disclosure - INTANGIBLE ASSETS AND GOODWILL (Tables) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - INTANGIBLE ASSETS AND GOODWILL- Schedule Of Intangibles (Details) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - INTANGIBLE ASSETS AND GOODWILL - Schedule Of Future Amortization Of Intangibles (Details) link:presentationLink link:calculationLink link:definitionLink 2418410 - Disclosure - INTANGIBLE ASSETS AND GOODWILL - Changes in Carrying Amount of Goodwill by Location (Details) link:presentationLink link:calculationLink link:definitionLink 2119105 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 2320304 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - LEASES - Components of Lease Right-of-Use Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2422412 - Disclosure - LEASES - Operating Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2423413 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2424414 - Disclosure - LEASES - Supplemental Information (Details) link:presentationLink link:calculationLink link:definitionLink 2425415 - Disclosure - LEASES - Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2425415 - Disclosure - LEASES - Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2126106 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 2427416 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2128107 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL link:presentationLink link:calculationLink link:definitionLink 2329305 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL (Tables) link:presentationLink link:calculationLink link:definitionLink 2430417 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2431418 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL - Carrying Amount of the Liability Component (Details) link:presentationLink link:calculationLink link:definitionLink 2432419 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL - Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2433420 - Disclosure - CONVERTIBLE SENIOR NOTES AND CAPPED CALL - Net Impact to Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 2134108 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 2335306 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 2436421 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2437422 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Stock-Based Compensation Expense By Statement Of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 2438423 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2439424 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Stock Purchase Right and Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2440425 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Performance Stock Units Information (Details) link:presentationLink link:calculationLink link:definitionLink 2441426 - Disclosure - STOCK-BASED COMPENSATION AND STOCKHOLDERS' EQUITY - Assumptions Used In Black-Scholes Model (Details) link:presentationLink link:calculationLink link:definitionLink 2142109 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2343307 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 2444427 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2445428 - Disclosure - INCOME TAXES - Income Tax Provision (Details) link:presentationLink link:calculationLink link:definitionLink 2446429 - Disclosure - INCOME TAXES - Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2447430 - Disclosure - INCOME TAXES - Reconciliation of Taxes Provided to Federal Statutory Rate (Details) link:presentationLink link:calculationLink link:definitionLink 2448431 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 2149110 - Disclosure - NET LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 2350308 - Disclosure - NET LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2451432 - Disclosure - NET LOSS PER SHARE - Basic and Diluted Net Income (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 2452433 - Disclosure - NET LOSS PER SHARE - Schedule of Antidilutive Awards (Details) link:presentationLink link:calculationLink link:definitionLink 2153111 - Disclosure - GEOGRAPHICAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 2354309 - Disclosure - GEOGRAPHICAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2455434 - Disclosure - GEOGRAPHICAL INFORMATION (Details) link:presentationLink link:calculationLink link:definitionLink 2156112 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 2357310 - Disclosure - ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 2458435 - Disclosure - ACQUISITIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2459436 - Disclosure - ACQUISITIONS - Allocation of the Fair Value of Purchase Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 2460437 - Disclosure - ACQUISITIONS - Fair Value Intangible Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 2461438 - Disclosure - ACQUISITIONS - Schedule of Pro Forma Financials (Details) link:presentationLink link:calculationLink link:definitionLink 2162113 - Disclosure - UNAUDITED SELECTED CONSOLIDATED QUARTERLY FINANCIAL DATA link:presentationLink link:calculationLink link:definitionLink 2363311 - Disclosure - UNAUDITED SELECTED CONSOLIDATED QUARTERLY FINANCIAL DATA (Tables) link:presentationLink link:calculationLink link:definitionLink 2464439 - Disclosure - UNAUDITED SELECTED CONSOLIDATED QUARTERLY FINANCIAL DATA (Details) link:presentationLink link:calculationLink link:definitionLink 2165114 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 2366312 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2467440 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 2468441 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2469442 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2470443 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2171115 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 2472444 - Disclosure - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink