Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Cost of revenue:
Amortization of acquired technology	$ 5,587	$ 5,520	$ 12,294	$ 12,946
Total cost of revenue	116,441	113,307	230,629	227,399
Gross profit	207,864	193,020	408,935	368,135
Operating expenses:
Research and development, net	58,685	52,254	115,854	104,406
Selling, general and administrative	126,265	104,083	247,986	211,580
Amortization of other acquired intangible assets	7,639	7,452	15,352	15,136
Total operating expenses	192,589	163,789	379,192	331,122
Operating income	15,275	29,231	29,743	37,013
Other income (expense), net:
Interest income	1,687	1,134	3,113	1,927
Interest expense	(10,107)	(9,922)	(20,041)	(18,984)
Other income (expense), net	909	(1,241)	119	(1,705)
Total other expense, net	(7,511)	(10,029)	(16,809)	(18,762)
Income before benefit for income taxes	7,764	19,202	12,934	18,251
Benefit for income taxes	(4,507)	(3,722)	(3,098)	(3,448)
Net income	12,271	22,924	16,032	21,699
Net income attributable to noncontrolling interest	1,713	944	3,898	1,934
Net income attributable to Verint Systems Inc.	$ 10,558	$ 21,980	$ 12,134	$ 19,765
Net income (loss) per common share attributable to Verint Systems Inc.
Basic (in dollars per share)	$ 0.16	$ 0.34	$ 0.18	$ 0.31
Diluted (in dollars per share)	$ 0.16	$ 0.33	$ 0.18	$ 0.30
Weighted-average common shares outstanding
Basic (in shares)	66,272	64,694	65,870	64,314
Diluted (in shares)	67,519	65,840	67,338	65,509
Product
Revenue:
Revenue	$ 109,983	$ 110,042	$ 214,207	$ 215,906
Cost of revenue:
Cost of revenue	29,424	32,984	57,544	67,793
Service and support
Revenue:
Revenue	214,322	196,285	425,357	379,628
Cost of revenue:
Cost of revenue	$ 81,430	$ 74,803	$ 160,791	$ 146,660