Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 10,674	$ (71,179)	$ 30,891	$ (53,131)
Foreign currency translation adjustment, net of deferred taxes	223	(1,606)	(3,052)	(1,071)
Comprehensive income (loss)	$ 10,897	$ (72,785)	$ 27,839	$ (54,202)