Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 11,244	$ 9,786	$ 26,962	$ 21,848
Other comprehensive income (loss):
Foreign currency translation adjustments, net of income tax of $0	455	5,326	(1,801)	4,328
Interest rate swap, net of income tax of $7, $7, $15 and $15, respectively.	(13)	(14)	(27)	(27)
Other comprehensive income (loss)	442	5,312	(1,828)	4,301
Comprehensive income	$ 11,686	$ 15,098	$ 25,134	$ 26,149