Quarterly report pursuant to Section 13 or 15(d)

RESTRUCTURING CHARGES - Accrued Restructuring (Details)

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RESTRUCTURING CHARGES - Accrued Restructuring (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Restructuring Reserve [Roll Forward]        
Beginning balance $ 2,793 $ 3,463 $ 1,350 $ 2,737
Restructuring costs 0 54 1,570 1,969
Adjustment of prior estimates (15) (39) 741 140
Cash payments (611) (960) (1,494) (2,328)
Ending balance 2,167 2,518 2,167 2,518
Severance and Benefits        
Restructuring Reserve [Roll Forward]        
Beginning balance 1,228 814 130 354
Restructuring costs 0 0 1,570 1,489
Adjustment of prior estimates (35) (39) (35) (39)
Cash payments (473) (635) (945) (1,664)
Ending balance 720 140 720 140
Facilities        
Restructuring Reserve [Roll Forward]        
Beginning balance 1,565 2,649 1,220 2,383
Restructuring costs 0 54 0 480
Adjustment of prior estimates 20 0 776 179
Cash payments (138) (325) (549) (664)
Ending balance $ 1,447 $ 2,378 $ 1,447 $ 2,378