RESTRUCTURING CHARGES - Types of Restructuring Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Total	$ 1,895	$ 187	$ 2,540	$ 1,676
Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Total	1,685	279	1,912	384
Facilities
Restructuring Cost and Reserve [Line Items]
Total	210	(92)	628	1,282
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Total	$ 0	$ 0	$ 0	$ 10