STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Apr. 26, 2018
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)	148,790	70,445
Common stock repurchased during the period	$ 10.7	$ 5.5
Shares repurchased to satisfy tax withholding obligation (in shares)	38,811	37,086
Value of shares repurchased to satisfy tax withholding obligation	$ 2.8	$ 3.6