Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 1,780	$ 35,736	$ (44,533)
Foreign currency translation adjustment, net of deferred taxes	9,940	(5,313)	(3,712)
Adjustment to pension, net of deferred taxes	2,084	225	(6,072)
Comprehensive income (loss)	$ 13,804	$ 30,648	$ (54,317)