DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES (Details) - USD ($)
|
3 Months Ended |
Apr. 30, 2016 |
Apr. 30, 2015 |
| DERIVATIVE FINANCIAL INSTRUMENTS |
|
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
$ 606,000
|
$ (3,193,000)
|
| Cash flow hedging | Derivative designated as hedging instruments |
|
|
| DERIVATIVE FINANCIAL INSTRUMENTS |
|
|
| Net gains (losses) recognized in accumulated other comprehensive loss |
4,965,000
|
1,833,000
|
| Foreign currency forward contracts | Cash flow hedging | Derivative designated as hedging instruments |
|
|
| DERIVATIVE FINANCIAL INSTRUMENTS |
|
|
| Net gains (losses) recognized in accumulated other comprehensive loss |
5,394,000
|
1,833,000
|
| Derivative Instruments, gains (losses) Reclassified from Accumulated OCI into Income, Effective Portion, Net |
606,000
|
(3,193,000)
|
| Gains (losses) from ineffectiveness |
0
|
0
|
| Interest rate swap | Cash flow hedging | Derivative designated as hedging instruments |
|
|
| DERIVATIVE FINANCIAL INSTRUMENTS |
|
|
| Net gains (losses) recognized in accumulated other comprehensive loss |
$ (429,000)
|
$ 0
|