Other Expense, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Other Income and Expenses [Abstract]
Interest and miscellaneous income	$ 468	$ 344	$ 579
Interest expense	(285)	(308)	(417)
Foreign currency exchange losses, net	(798)	(14)	(3,558)
Other	545	(284)	(278)
Other income (expense), net	$ (70)	$ (262)	$ (3,674)