Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 31, 2014	Aug. 31, 2013 Rate	Aug. 31, 2014 Rate	Aug. 31, 2013	Feb. 28, 2015
Effective Income Tax Rate, Continuing Operations		35.50%	46.30%		44.70%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			0.00%
Income tax expense (benefit)	$ (1,960)	$ 2,788	$ (1,892)	$ 3,852
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 67		$ 68