XML 13 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
6 Months Ended
Jul. 31, 2016
Aug. 15, 2016
Document And Entity Information    
Entity Registrant Name VERINT SYSTEMS INC  
Entity Central Index Key 0001166388  
Current Fiscal Year End Date --01-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jul. 31, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Common Stock, Shares Outstanding   63,138,821