STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	May 20, 2020	May 24, 2019
STOCKHOLDERS' EQUITY [Abstract]
Authorized number of shares under stock repurchase program (in shares)			500,000	500,000
Common stock repurchased during the period (in shares)	24,318	149,044
Common stock repurchased during the period	$ 1.8	$ 10.7
Shares repurchased to satisfy tax withholding obligation (in shares)	37,640	41,817
Value of shares repurchased to satisfy tax withholding obligation	$ 2.7	$ 3.0