INTANGIBLE ASSETS AND GOODWILL (Tables)

6 Months Ended

Jul. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Acquisition-related intangible assets consisted of the following as of July 31, 2014 and January 31, 2014:

	July 31, 2014
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets with finite lives:
Customer relationships	$	396,977	$	(162,889	)	$	234,088
Acquired technology	204,387		(92,333		)	112,054
Trade names	25,213		(13,215		)	11,998
Non-competition agreements	6,613		(5,360		)	1,253
Distribution network	4,440		(2,186		)	2,254
Backlog	386		(323		)	63
Total intangible assets with finite lives	638,016		(276,306		)	361,710
In-process research and development, with indefinite lives	1,700		—			1,700
Total	$	639,716	$	(276,306	)	$	363,410

	January 31, 2014
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets with finite lives:
Customer relationships	$	240,208	$	(141,714	)	$	98,494
Acquired technology	106,361		(76,922		)	29,439
Trade names	13,378		(11,378		)	2,000
Non-competition agreements	5,514		(4,970		)	544
Distribution network	2,440		(1,840		)	600
Backlog	386		(316		)	70
Total intangible assets with finite lives	368,287		(237,140		)	131,147
In-process research and development, with indefinite lives	1,700		—			1,700
Total	$	369,987	$	(237,140	)	$	132,847

Schedule of net acquisition-related intangible assets by reportable segment

The following table presents net acquisition-related intangible assets by reportable segment as of July 31, 2014 and January 31, 2014: 

	July 31,		January 31,
(in thousands)	2014		2014
Enterprise Intelligence	$	308,434	$	115,928
Communications Intelligence	53,482		14,856
Video Intelligence	1,494		2,063
Total	$	363,410	$	132,847

Schedule of estimated future amortization expense on finite-lived acquisition-related intangible assets

Estimated future amortization expense on finite-lived acquisition-related intangible assets as of July 31, 2014 was as follows:

(in thousands)
Years Ending January 31,	Amount
2015 (remainder of year)	$	40,931
2016	78,469
2017	74,944
2018	55,081
2019	26,009
2020 and thereafter	86,276
Total	$	361,710

Schedule of goodwill activity

Goodwill activity for the six months ended July 31, 2014, in total and by reportable segment, was as follows: 

				Reportable Segment
(in thousands)	Total			Enterprise Intelligence			Communications Intelligence		Video Intelligence
Year Ended January 31, 2014:
Goodwill, gross, at January 31, 2014	$	920,254		$	795,722		$	47,838	$	76,694
Accumulated impairment losses through January 31, 2014	(66,865		)	(30,791		)	—		(36,074		)
Goodwill, net, at January 31, 2014	853,389			764,931			47,838		40,620
Business combinations	377,750			329,154			48,596		—
Foreign currency translation and other	10,740			10,504			351		(115		)
Goodwill, net, at July 31, 2014	$	1,241,879		$	1,104,589		$	96,785	$	40,505
Balance at July 31, 2014:
Goodwill, gross, at July 31, 2014	$	1,308,744		$	1,135,380		$	96,785	$	76,579
Accumulated impairment losses through July 31, 2014	(66,865		)	(30,791		)	—		(36,074		)
Goodwill, net, at July 31, 2014	$	1,241,879		$	1,104,589		$	96,785	$	40,505