Condensed Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Total Verint Systems Inc. Stockholders' Equity	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Balances at Jan. 31, 2013	$ 229,676	$ 224,802	$ 40	$ 580,762	$ (8,013)	$ (303,762)	$ (44,225)	$ 4,874
Balances (in shares) at Jan. 31, 2013			40,158,000
Increase (Decrease) in Stockholders' Equity
Net income	34,622	30,870				30,870		3,752
Other comprehensive income (loss)	1,854	1,974					1,974	(120)
Stock-based compensation - equity portion	22,304	22,304		22,304
Exercises of stock options	6,432	6,432	0	6,432
Exercises of stock options (in shares)			246,000
Common stock issued for stock awards and stock bonuses	2,851	2,851	1	2,850
Common stock issued for stock awards and stock bonuses (in shares)			776,000
Purchases of treasury stock	0
Purchases of treasury stock (in shares)	0
Common stock issued for CTI Merger	299,639	299,639	13	299,626
Stock issued for CTI Merger (in shares)			12,274,000
Tax effects from stock award plans	(3)	(3)		(3)
Balances at Oct. 31, 2013	597,375	588,869	54	911,971	(8,013)	(272,892)	(42,251)	8,506
Balances (in shares) at Oct. 31, 2013			53,454,000
Balances at Jan. 31, 2014	633,118	626,974	54	924,663	(8,013)	(250,005)	(39,725)	6,144
Balances (in shares) at Jan. 31, 2014			53,605,000
Increase (Decrease) in Stockholders' Equity
Net income	29,912	26,348				26,348		3,564
Other comprehensive income (loss)	(21,557)	(21,484)					(21,484)	(73)
Common stock issued in public offering, net of issuance costs	264,933	264,933	6	264,927
Common stock issued in public offering (in shares)			5,750,000
Equity component of convertible notes, net of issuance costs	78,209	78,209		78,209
Purchase of convertible note hedges	(60,800)	(60,800)		(60,800)
Issuance of warrants	45,188	45,188		45,188
Stock-based compensation - equity portion	35,702	35,702		35,702
Exercises of stock options	13,135	13,135	0	13,135
Exercises of stock options (in shares)	378,000		378,000
Common stock issued for stock awards and stock bonuses	4,532	4,532	1	4,531
Common stock issued for stock awards and stock bonuses (in shares)			1,020,000
Purchases of treasury stock	(2,238)	(2,238)			(2,238)
Purchases of treasury stock (in shares)	(46,000)		(46,000)
Tax effects from stock award plans	328	328		328
Balances at Oct. 31, 2014	$ 1,020,462	$ 1,010,827	$ 61	$ 1,305,883	$ (10,251)	$ (223,657)	$ (61,209)	$ 9,635
Balances (in shares) at Oct. 31, 2014			60,707,000