COMMON STOCK REPURCHASES (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2018
Equity [Abstract]
Remaining shares authorized for repurchase under program			730,105
Shares of common stock repurchased in the open market	0	841,249
Treasury Stock, Value, Acquired, Cost Method	$ 0	$ 39,222
Value of common stock repurchased in the open market	$ 0	$ 39,222
Average cost per share of shares repurchased (in dollars per share)	$ 0	$ 46.62
Value of shares withheld in satisfaction of employee tax obligations	$ 13,342	$ 10,789