STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - SCHEDULE OF ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands |
3 Months Ended |
Apr. 30, 2018 |
Apr. 30, 2017 |
| Activity in Accumulated Other Comprehensive Loss |
|
|
| Accumulated other comprehensive income (loss) - beginning balance |
$ (103,460)
|
|
| Other comprehensive (loss) income before reclassifications |
(19,571)
|
|
| Gains reclassified out of accumulated other comprehensive income (loss) |
390
|
|
| Net other comprehensive (loss) income, current period |
(19,961)
|
|
| Accumulated other comprehensive (loss) income - ending balance |
(123,421)
|
|
| Foreign Exchange Contract |
|
|
| Activity in Accumulated Other Comprehensive Loss |
|
|
| Gains reclassified out of accumulated other comprehensive income (loss) |
390
|
$ 829
|
| Unrealized gains (losses) on derivative financial instruments designated as hedges | Foreign Exchange Contract |
|
|
| Activity in Accumulated Other Comprehensive Loss |
|
|
| Accumulated other comprehensive income (loss) - beginning balance |
3,312
|
|
| Other comprehensive (loss) income before reclassifications |
(6,114)
|
|
| Gains reclassified out of accumulated other comprehensive income (loss) |
390
|
|
| Net other comprehensive (loss) income, current period |
(6,504)
|
|
| Accumulated other comprehensive (loss) income - ending balance |
(3,192)
|
|
| Unrealized gains (losses) on derivative financial instruments designated as hedges | Interest rate swap |
|
|
| Activity in Accumulated Other Comprehensive Loss |
|
|
| Accumulated other comprehensive income (loss) - beginning balance |
0
|
|
| Other comprehensive (loss) income before reclassifications |
220
|
|
| Gains reclassified out of accumulated other comprehensive income (loss) |
0
|
|
| Net other comprehensive (loss) income, current period |
220
|
|
| Accumulated other comprehensive (loss) income - ending balance |
220
|
|
| Foreign currency translation adjustments |
|
|
| Activity in Accumulated Other Comprehensive Loss |
|
|
| Accumulated other comprehensive income (loss) - beginning balance |
(106,772)
|
|
| Other comprehensive (loss) income before reclassifications |
(13,677)
|
|
| Gains reclassified out of accumulated other comprehensive income (loss) |
0
|
|
| Net other comprehensive (loss) income, current period |
(13,677)
|
|
| Accumulated other comprehensive (loss) income - ending balance |
$ (120,449)
|
|