Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2018	May 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 15,718	$ 12,062
Other comprehensive income (loss):
Foreign currency translation adjustments, net of income tax of $0	(2,256)	(997)
Interest rate swap, net of income tax of $7 and $7, respectively.	(14)	(14)
Other comprehensive loss	(2,270)	(1,011)
Comprehensive income	$ 13,448	$ 11,051