RESTRUCTURING CHARGES - Accrued Restructuring (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Restructuring Reserve [Roll Forward] | ||
| Balance as of March 31, 2017 | $ 1,350 | $ 2,737 |
| Restructuring costs | 1,570 | 1,915 |
| Adjustment of prior estimates | 756 | 179 |
| Cash payments | (883) | (1,368) |
| Balance as of June 30, 2017 | 2,793 | 3,463 |
| Severance and Benefits | ||
| Restructuring Reserve [Roll Forward] | ||
| Balance as of March 31, 2017 | 130 | 354 |
| Restructuring costs | 1,570 | 1,489 |
| Adjustment of prior estimates | 0 | 0 |
| Cash payments | (472) | (1,029) |
| Balance as of June 30, 2017 | 1,228 | 814 |
| Facilities | ||
| Restructuring Reserve [Roll Forward] | ||
| Balance as of March 31, 2017 | 1,220 | 2,383 |
| Restructuring costs | 0 | 426 |
| Adjustment of prior estimates | 756 | 179 |
| Cash payments | (411) | (339) |
| Balance as of June 30, 2017 | $ 1,565 | $ 2,649 |