COMPENSATION PROGRAMS - Schedule of Performance-Based Restricted Stock Units Activity (Details) - Performance-based RSUs [Member] - $ / shares |
1 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2018 |
Jan. 31, 2017 |
Feb. 29, 2016 |
Mar. 31, 2018 |
|
| Equity instruments other than options, nonvested, number of shares [Roll Forward] | ||||
| Unvested equity awards outstanding at beginning of period (in shares) | 435,976 | 435,976 | ||
| Grants (in shares) | 183,137 | 148,894 | 269,354 | 183,137 |
| Forfeitures (in shares) | (117,255) | |||
| Unvested equity outstanding at end of period (in shares) | 501,858 | |||
| Equity instruments other than options, nonvested, weighted average grant date fair value [Abstract] | ||||
| Unvested equity awards outstanding at beginning of period (in dollars per share) | $ 9.10 | $ 9.10 | ||
| Grants (in dollars per share) | $ 8.71 | $ 10.52 | $ 8.03 | 8.71 |
| Forfeitures (in dollars per share) | 8.83 | |||
| Unvested equity awards outstanding at end of period (in dollars per share) | $ 9.02 | |||