COMMON STOCK REPURCHASES (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Equity [Abstract]
Remaining shares authorized for repurchase under program	730,932
Shares repurchased	1,138,903	764,176
Total cost of shares repurchased	$ 52,915	$ 34,236
Average cost per share of shares repurchased (in dollars per share)	$ 46.46	$ 44.80
Value of shares withheld in satisfaction of employee tax withholding obligations	$ 11,186	$ 9,444