Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 6,784	$ 11,046	$ (10,094)	$ 20,217
Foreign currency translation adjustment, net of deferred taxes		(2,611)	9,940	(3,275)
Comprehensive income (loss)	$ 6,784	$ 8,435	$ (154)	$ 16,942