INTANGIBLE ASSETS AND GOODWILL - GOODWILL (Details) - USD ($) $ in Thousands |
3 Months Ended |
|
Apr. 30, 2016 |
Jan. 31, 2016 |
| Goodwill activity |
|
|
| Goodwill, gross at the beginning of the period |
$ 1,314,975
|
$ 1,274,041
|
| Accumulated impairment losses |
(66,865)
|
(66,865)
|
| Goodwill, net at the beginning of the period |
1,207,176
|
|
| Business combinations |
30,612
|
|
| Foreign currency translation and other |
10,322
|
|
| Goodwill, net, at the end of the period |
1,248,110
|
|
| Enterprise Intelligence |
|
|
| Goodwill activity |
|
|
| Goodwill, gross at the beginning of the period |
1,119,434
|
1,079,746
|
| Accumulated impairment losses |
(30,791)
|
(30,791)
|
| Goodwill, net at the beginning of the period |
1,048,955
|
|
| Business combinations |
30,612
|
|
| Foreign currency translation and other |
9,076
|
|
| Goodwill, net, at the end of the period |
1,088,643
|
|
| Cyber Intelligence |
|
|
| Goodwill activity |
|
|
| Goodwill, gross at the beginning of the period |
121,236
|
120,719
|
| Accumulated impairment losses |
0
|
0
|
| Goodwill, net at the beginning of the period |
120,719
|
|
| Business combinations |
0
|
|
| Foreign currency translation and other |
517
|
|
| Goodwill, net, at the end of the period |
121,236
|
|
| Video Intelligence |
|
|
| Goodwill activity |
|
|
| Goodwill, gross at the beginning of the period |
74,305
|
73,576
|
| Accumulated impairment losses |
(36,074)
|
$ (36,074)
|
| Goodwill, net at the beginning of the period |
37,502
|
|
| Business combinations |
0
|
|
| Foreign currency translation and other |
729
|
|
| Goodwill, net, at the end of the period |
$ 38,231
|
|