Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 35,736	$ (44,533)	$ 13,189
Foreign currency translation adjustment, net of deferred taxes	(5,313)	(3,712)	(1,486)
Adjustment to pension, net of deferred taxes	225	(6,072)	3,976
Comprehensive income (loss)	$ 30,648	$ (54,317)	$ 15,679