2101100 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES
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2401403 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - RECASTING OF PRIOR PERIOD SEGMENT INFORMATION (Details)
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2401404 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - UNBILLED ACCOUNTS RECEIVABLE (Details)
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2401402 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - CONSOLIDATION (Details)
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2201201 - Disclosure - BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
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2105100 - Disclosure - BUSINESS COMBINATIONS
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2405406 - Disclosure - BUSINESS COMBINATIONS BUSINESS COMBINATIONS - OTHER BUSINESS COMBINATION INFORMATION (Details)
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2405402 - Disclosure - BUSINESS COMBINATIONS BUSINESS COMBINATIONS - YEAR ENDED JANUARY 31, 2017 - CONTACT SOLUTIONS (Details)
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2405405 - Disclosure - BUSINESS COMBINATIONS BUSINESS COMBINATIONS - YEAR ENDED JANUARY 31, 2017 - INTANGIBLE ASSETS USEFUL LIVES (Details)
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2405403 - Disclosure - BUSINESS COMBINATIONS BUSINESS COMBINATIONS - YEAR ENDED JANUARY 31, 2017 - OPINIONLAB (Details)
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2405404 - Disclosure - BUSINESS COMBINATIONS BUSINESS COMBINATIONS - YEAR ENDED JANUARY 31, 2017 - PURCHASE PRICE ALLOCATIONS (Details)
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2305301 - Disclosure - BUSINESS COMBINATIONS (Tables)
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2104100 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS
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2404402 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Details)
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2304301 - Disclosure - CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)
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2119100 - Disclosure - COMMITMENTS AND CONTINGENCIES
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2419403 - Disclosure - COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES - LITIGATION (Details)
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2319301 - Disclosure - COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Tables)
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2419402 - Disclosure - COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES - WARRANTY OBLIGATIONS (Details)
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1001000 - Statement - Condensed Consolidated Balance Sheets
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1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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1006000 - Statement - Condensed Consolidated Statements of Cash Flows
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1003000 - Statement - Condensed Consolidated Statements of Comprehensive (Loss) Income
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1002000 - Statement - Condensed Consolidated Statements of Operations
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1005000 - Statement - Condensed Consolidated Statements of Stockholders' Equity
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2114100 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS
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2414403 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - ASSETS AND LIABILITIES (Details)
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2414404 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details)
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2414402 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS DERIVATIVE FINANCIAL INSTRUMENTS - INTEREST RATE SWAP AGREEMENT (Details)
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2414405 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS DERIVATIVE FINANCIAL INSTRUMENTS - NOT DESIGNATED AT HEDGING INSTRUMENTS (Details)
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2314301 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
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2113100 - Disclosure - FAIR VALUE MEASUREMENTS
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2413403 - Disclosure - FAIR VALUE MEASUREMENTS - CONTINGENT CONSIDERATION TABLE (Details)
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2413404 - Disclosure - FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS - OPTION TO ACQUIRE NONCONTROLLING INTERESTS (Details)
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2413402 - Disclosure - FAIR VALUE MEASUREMENTS - FAIR VALUE TABLE (Details)
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2413405 - Disclosure - FAIR VALUE MEASUREMENTS - OTHER FAIR VALUE DISCLOSURES (Details)
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2313301 - Disclosure - FAIR VALUE MEASUREMENTS (Tables)
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2112100 - Disclosure - INCOME TAXES
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2412401 - Disclosure - INCOME TAXES INCOME TAXES - PROVISION FOR INCOME TAXES (Details)
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2412402 - Disclosure - INCOME TAXES INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details)
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2106100 - Disclosure - INTANGIBLE ASSETS AND GOODWILL
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2406406 - Disclosure - INTANGIBLE ASSETS AND GOODWILL - GOODWILL (Details)
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2406404 - Disclosure - INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL - AMORTIZATION AND IMPAIRMENT (Details)
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2406405 - Disclosure - INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL - FUTURE AMORTIZATION OF INTANGIBLE ASSETS (Details)
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2406403 - Disclosure - INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL - INTANGIBLE ASSETS BY REPORTABLE SEGMENT (Details)
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2406402 - Disclosure - INTANGIBLE ASSETS AND GOODWILL - INTANGIBLE ASSETS (Details)
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2306301 - Disclosure - INTANGIBLE ASSETS AND GOODWILL (Tables)
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2107100 - Disclosure - LONG-TERM DEBT
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2407403 - Disclosure - LONG-TERM DEBT - 1.50% CONVERTIBLE SENIOR NOTES (Details)
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2407406 - Disclosure - LONG-TERM DEBT - CREDIT AGREEMENT - INTEREST RATE AND FEE DETAILS (Details)
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2407405 - Disclosure - LONG-TERM DEBT - CREDIT AGREEMENT - SUMMARY (Details)
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2407407 - Disclosure - LONG-TERM DEBT - DEBT COVENANT (Details)
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2407408 - Disclosure - LONG-TERM DEBT - FUTURE AMORTIZATION (Details)
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2407409 - Disclosure - LONG-TERM DEBT - INTEREST EXPENSE (Details)
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2407404 - Disclosure - LONG-TERM DEBT - NOTE HEDGES AND WARRANTS (Details)
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2407402 - Disclosure - LONG-TERM DEBT - SUMMARY (Details)
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2307301 - Disclosure - LONG-TERM DEBT (Tables)
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2102100 - Disclosure - NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC.
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2402403 - Disclosure - NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. - ANTIDILUTIVE SECURITIES (Details)
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2402402 - Disclosure - NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. - CALCULATION (Details)
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2402404 - Disclosure - NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. - OTHER DETAILS (Details)
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2302301 - Disclosure - NET LOSS PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. (Tables)
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2120100 - Disclosure - SEGMENT INFORMATION
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2420402 - Disclosure - SEGMENT INFORMATION SEGMENT INFORMATION - CHANGE IN SEGMENTATION (Details)
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2420404 - Disclosure - SEGMENT INFORMATION SEGMENT INFORMATION - CORRECTION OF MISSTATEMENT (Details)
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2420403 - Disclosure - SEGMENT INFORMATION - SEGMENT OPERATING RESULTS (Details)
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2320301 - Disclosure - SEGMENT INFORMATION (Tables)
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2115100 - Disclosure - STOCK-BASED COMPENSATION
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2415407 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - BONUS SHARE PROGRAM (Details)
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2415405 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - PERFORMANCE RESTRICTED STOCK UNITS (Details)
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2415404 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - RESTRICTED STOCK UNITS (Details)
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2415402 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - STOCK-BASED COMPENSATION - BY LINE ITEM (Details)
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2415403 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - STOCK-BASED COMPENSATION - BY TYPE (Details)
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2415406 - Disclosure - STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION - STOCK BONUS PROGRAM - (Details)
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2315301 - Disclosure - STOCK-BASED COMPENSATION (Tables)
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2109100 - Disclosure - STOCKHOLDERS' EQUITY
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2409406 - Disclosure - STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - AMOUNTS RECLASSIFIED OUT OF ACCUMULATED OTHER COMPREHENSIVE LOSS (Details)
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2409402 - Disclosure - STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - DIVIDENDS ON COMMON STOCK (Details)
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2409405 - Disclosure - STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - SCHEDULE OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)
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2409403 - Disclosure - STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - SHARE REPURCHASE PROGRAM (Details)
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2309301 - Disclosure - STOCKHOLDERS' EQUITY (Tables)
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2409404 - Disclosure - STOCKHOLDERS' EQUITY - TREASURY STOCK (Details)
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2108100 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION
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2408402 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION - INVENTORIES (Details)
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2408404 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION - CASH FLOW INFORMATION (Details)
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2408403 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION - OTHER (EXPENSE) INCOME (Details)
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2308301 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATED FINANCIAL STATEMENT INFORMATION (Tables)
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