INTANGIBLE ASSETS AND GOODWILL (Tables)

6 Months Ended

Jul. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Acquisition-related intangible assets consisted of the following as of July 31, 2019 and January 31, 2019:

	July 31, 2019
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets with finite lives:
Customer relationships	$	453,565	$	(307,408	)	$	146,157
Acquired technology	291,273		(229,962		)	61,311
Trade names	14,246		(6,382		)	7,864
Distribution network	4,440		(4,440		)	—
Total intangible assets	$	763,524	$	(548,192	)	$	215,332

	January 31, 2019
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets with finite lives:
Customer relationships	$	452,918	$	(299,549	)	$	153,369
Acquired technology	285,230		(221,145		)	64,085
Trade names	12,859		(5,130		)	7,729
Distribution network	4,440		(4,440		)	—
Total intangible assets	$	755,447	$	(530,264	)	$	225,183

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, 2019 and January 31, 2019: 

	July 31,		January 31,
(in thousands)	2019		2019
Customer Engagement	$	210,838	$	218,738
Cyber Intelligence	4,494		6,445
Total	$	215,332	$	225,183

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

Estimated future amortization expense on finite-lived acquisition-related intangible assets is as follows:

(in thousands)
Years Ending January 31,	Amount
2020 (remainder of year)	$	27,320
2021	47,880
2022	44,489
2023	36,613
2024	26,732
2025 and thereafter	32,298
Total	$	215,332

Schedule of goodwill activity

Goodwill activity for the six months ended July 31, 2019, in total and by reportable segment, was as follows: 

				Reportable Segment
(in thousands)	Total			Customer Engagement			Cyber Intelligence
Six Months Ended July 31, 2019:
Goodwill, gross, at January 31, 2019	$	1,484,346		$	1,326,370		$	157,976
Accumulated impairment losses through January 31, 2019	(66,865		)	(56,043		)	(10,822		)
Goodwill, net, at January 31, 2019	1,417,481			1,270,327			147,154
Business combinations, including adjustments to prior period acquisitions	36,652			36,652			—
Foreign currency translation and other	(24,051		)	(23,820		)	(231		)
Goodwill, net, at July 31, 2019	$	1,430,082		$	1,283,159		$	146,923
Balance at July 31, 2019:
Goodwill, gross, at July 31, 2019	$	1,496,947		$	1,339,202		$	157,745
Accumulated impairment losses through July 31, 2019	(66,865		)	(56,043		)	(10,822		)
Goodwill, net, at July 31, 2019	$	1,430,082		$	1,283,159		$	146,923