INTANGIBLE ASSETS AND GOODWILL (Tables)

9 Months Ended

Oct. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Acquisition-related intangible assets consisted of the following as of October 31, 2018 and January 31, 2018:

	October 31, 2018
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets, with finite lives:
Customer relationships	$	431,235	$	(292,419	)	$	138,816
Acquired technology	273,456		(225,886		)	47,570
Trade names	26,486		(20,761		)	5,725
Non-competition agreements	3,047		(2,972		)	75
Distribution network	4,440		(4,440		)	—
Total intangible assets	$	738,664	$	(546,478	)	$	192,186

	January 31, 2018
(in thousands)	Cost		Accumulated Amortization			Net
Intangible assets, with finite lives:
Customer relationships	$	438,664	$	(281,592	)	$	157,072
Acquired technology	273,156		(212,571		)	60,585
Trade names	26,820		(18,570		)	8,250
Non-competition agreements	3,047		(2,861		)	186
Distribution network	4,440		(4,440		)	—
Total intangible assets	$	746,127	$	(520,034	)	$	226,093

Schedule of net acquisition-related intangible assets by reportable segment

The following table presents net acquisition-related intangible assets by reportable segment as of October 31, 2018 and January 31, 2018: 

	October 31,		January 31,
(in thousands)	2018		2018
Customer Engagement	$	186,549	$	213,963
Cyber Intelligence	5,637		12,130
Total	$	192,186	$	226,093

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
2019 (remainder of year)	$	13,265
2020	44,390
2021	36,255
2022	32,370
2023	25,323
2024 and thereafter	40,583
Total	$	192,186

Schedule of goodwill activity

Goodwill activity for the nine months endedOctober 31, 2018, in total and by reportable segment, was as follows: 

				Reportable Segment
(in thousands)	Total			Customer Engagement			Cyber Intelligence
Year Ended January 31, 2018:
Goodwill, gross, at January 31, 2018	$	1,455,164		$	1,307,136		$	148,028
Accumulated impairment losses through January 31, 2018	(66,865		)	(56,043		)	(10,822		)
Goodwill, net, at January 31, 2018	1,388,299			1,251,093			137,206
Business combinations, including adjustments to prior period acquisitions	14,526			14,526			—
Foreign currency translation and other	(38,373		)	(37,405		)	(968		)
Goodwill, net, at October 31, 2018	$	1,364,452		$	1,228,214		$	136,238
Balance at October 31, 2018:
Goodwill, gross, at October 31, 2018	$	1,431,317		$	1,284,257		$	147,060
Accumulated impairment losses through October 31, 2018	(66,865		)	(56,043		)	(10,822		)
Goodwill, net, at October 31, 2018	$	1,364,452		$	1,228,214		$	136,238