UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
NET EARNINGS	$ 21,638	$ 19,550	$ 58,844	$ 55,836
OTHER COMPREHENSIVE INCOME, NET OF TAX:
Foreign currency translation adjustments	983	682	1,540	69
Other comprehensive income (loss)	983	682	1,540	69
TOTAL COMPREHENSIVE INCOME	$ 22,621	$ 20,232	$ 60,384	$ 55,905