STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY - AMOUNTS RECLASSIFIED OUT OF ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($)
$ in Thousands |
3 Months Ended |
Apr. 30, 2016 |
Apr. 30, 2015 |
| Reclassifications Out of Accumulated Other Comprehensive Income (Loss) |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
$ 606
|
$ (3,193)
|
| Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Income Taxes |
61
|
(363)
|
| Amounts reclassified out of accumulated other comprehensive income (loss) |
545
|
(2,830)
|
| Cost of revenue - product |
|
|
| Reclassifications Out of Accumulated Other Comprehensive Income (Loss) |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
57
|
(289)
|
| Cost of revenue - service and support |
|
|
| Reclassifications Out of Accumulated Other Comprehensive Income (Loss) |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
43
|
(254)
|
| Research and development, net |
|
|
| Reclassifications Out of Accumulated Other Comprehensive Income (Loss) |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
334
|
(1,805)
|
| Selling, general and administrative |
|
|
| Reclassifications Out of Accumulated Other Comprehensive Income (Loss) |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
$ 172
|
$ (845)
|