NET INCOME (LOSS) PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. NET INCOME (LOSS) PER COMMON SHARE ATTRIBUTABLE TO VERINT SYSTEMS INC. - OTHER DETAILS (Details)	Jan. 31, 2019 $ / shares shares
Exercise Price of Warrants (in dollars per share)	$ 75.00
Warrants (in shares) | shares	6,205,000
1.50% Convertible Senior Notes
1.50% Convertible Notes - Conversion Price (in dollars per share)	$ 64.46