RESTRUCTURING CHARGES - Schedule of Restructuring Liability (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2017 USD ($)
Restructuring Reserve [Roll Forward]
Balance at March 31, 2017	$ 1,955
Restructuring charges to operations	4,527
Cash payments	(2,621)
Other adjustments	(651)
Balance at December 31, 2017	3,210
Q4 FY2017 Plan | Employee-Related
Restructuring Reserve [Roll Forward]
Balance at March 31, 2017	1,550
Restructuring charges to operations	729
Cash payments	(1,867)
Other adjustments	(412)
Balance at December 31, 2017	0
Q4 FY2017 Plan | Facilities Related
Restructuring Reserve [Roll Forward]
Balance at March 31, 2017	405
Restructuring charges to operations	208
Cash payments	(374)
Other adjustments	(239)
Balance at December 31, 2017	0
Q3 FY 2018 Plan | Employee-Related
Restructuring Reserve [Roll Forward]
Balance at March 31, 2017	0
Restructuring charges to operations	3,590
Cash payments	(380)
Other adjustments	0
Balance at December 31, 2017	$ 3,210