INTANGIBLE ASSETS AND GOODWILL
 3 Months Ended
Apr. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL
INTANGIBLE ASSETS AND GOODWILL
 
Acquisition-related intangible assets consisted of the following as of April 30, 2016 and January 31, 2016:
 
 
 
April 30, 2016
(in thousands)
 
Cost
 
Accumulated
Amortization
 
Net
Intangible assets, with finite lives:
 
 

 
 

 
 

Customer relationships
 
$
398,474

 
$
(223,495
)
 
$
174,979

Acquired technology
 
226,877

 
(145,179
)
 
81,698

Trade names
 
21,952

 
(12,561
)
 
9,391

Non-competition agreements
 
3,047

 
(2,228
)
 
819

Distribution network
 
4,440

 
(3,778
)
 
662

Total intangible assets with finite lives
 
654,790

 
(387,241
)
 
267,549

In-process research and development, with indefinite lives
 
1,100

 
—

 
1,100

    Total intangible assets
 
$
655,890

 
$
(387,241
)
 
$
268,649

 
 
 
January 31, 2016
(in thousands)
 
Cost
 
Accumulated
Amortization
 
Net
Intangible assets, with finite lives:
 
 

 
 

 
 

Customer relationships
 
$
371,722

 
$
(211,824
)
 
$
159,898

Acquired technology
 
211,388

 
(134,391
)
 
76,997

Trade names
 
18,457

 
(11,570
)
 
6,887

Non-competition agreements
 
3,047

 
(2,137
)
 
910

Distribution network
 
4,440

 
(3,550
)
 
890

Total intangible assets with finite lives
 
609,054

 
(363,472
)
 
245,582

In-process research and development, with indefinite lives
 
1,100

 
—

 
1,100

    Total intangible assets
 
$
610,154

 
$
(363,472
)
 
$
246,682



The following table presents net acquisition-related intangible assets by reportable segment as of April 30, 2016 and January 31, 2016: 
 
 
April 30,
 
January 31,
(in thousands)

2016

2016
Enterprise Intelligence

$
227,661


$
201,503

Cyber Intelligence

40,692


44,802

Video Intelligence

296


377

Total

$
268,649


$
246,682


 
Total amortization expense recorded for acquisition-related intangible assets was $20.5 million and $18.7 million for the three months ended April 30, 2016 and 2015, respectively. The reported amount of net acquisition-related intangible assets can fluctuate from the impact of changes in foreign currency exchange rates on intangible assets not denominated in U.S. dollars.
 
Estimated future amortization expense on finite-lived acquisition-related intangible assets is as follows:
(in thousands)

 

Years Ending January 31,

Amount
2017 (remainder of year)

$
61,842

2018

64,653

2019

36,757

2020

27,063

2021

21,046

2022 and thereafter

56,188

   Total

$
267,549


 
No impairments of acquired intangible assets were recorded during the three months ended April 30, 2016 and 2015.

Goodwill activity for the three months ended April 30, 2016, in total and by reportable segment, was as follows: 
 
 
 
 
Reportable Segment
(in thousands)
 
Total
 
Enterprise
Intelligence
 
Cyber
Intelligence
 
Video
Intelligence
Year Ended January 31, 2016:
 
 
 
 
 
 
 
 
Goodwill, gross, at January 31, 2016
 
$
1,274,041

 
$
1,079,746

 
$
120,719

 
$
73,576

Accumulated impairment losses through January 31, 2016
 
(66,865
)
 
(30,791
)
 
—

 
(36,074
)
   Goodwill, net, at January 31, 2016
 
1,207,176

 
1,048,955

 
120,719

 
37,502

Business combinations
 
30,612

 
30,612

 
—

 
—

Foreign currency translation and other
 
10,322

 
9,076

 
517

 
729

   Goodwill, net, at April 30, 2016
 
$
1,248,110

 
$
1,088,643

 
$
121,236

 
$
38,231

 
 
 
 
 
 
 
 
 
Balance at April 30, 2016:
 


 
 

 
 

 
 

Goodwill, gross, at April 30, 2016
 
$
1,314,975

 
$
1,119,434

 
$
121,236

 
$
74,305

Accumulated impairment losses through April 30, 2016
 
(66,865
)
 
(30,791
)
 
—

 
(36,074
)
   Goodwill, net, at April 30, 2016
 
$
1,248,110

 
$
1,088,643

 
$
121,236

 
$
38,231



No events or circumstances indicating the potential for goodwill impairment were identified during the three months ended April 30, 2016.