UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
NET EARNINGS	$ 10,297	$ 15,501	$ 34,790	$ 36,930
OTHER COMPREHENSIVE INCOME, NET OF TAX:
Foreign currency translation adjustments	(139)	(153)	(273)	(197)
Other comprehensive income (loss)	(139)	(153)	(273)	(197)
TOTAL COMPREHENSIVE INCOME	$ 10,158	$ 15,348	$ 34,517	$ 36,733