RESTRUCTURING CHARGES - Schedule of Restructuring Liability (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2019 USD ($)
Restructuring Reserve [Roll Forward]
Balance at March 31, 2019	$ 0
Restructuring charges to operations	452
Cash payments	(292)
Other adjustments	14
Balance at December 31, 2019	174
Q2FY20 Plan | Employee Related Restructuring Plan 2019
Restructuring Reserve [Roll Forward]
Balance at March 31, 2019	0
Restructuring charges to operations	329
Cash payments	(169)
Other adjustments	14
Balance at December 31, 2019	174
VSP | Employee Related Restructuring Plan 2019
Restructuring Reserve [Roll Forward]
Balance at March 31, 2019	0
Restructuring charges to operations	123
Cash payments	(123)
Other adjustments	0
Balance at December 31, 2019	$ 0