Summary of Significant Accounting Policies Calculation of Basic and Diluted Net Income Per Share from Continuing Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	May. 31, 2015	May. 31, 2014
Basic net (loss) income per common share:
Net (loss) income available to common shareholders from continuing operations	$ 1,525	$ 956
Impact of conversion of preferred stock into common stock	0
Diluted net (loss) income per common share:
Net income available to common shareholders from continuing operations	$ 1,525	$ 956
Basic shares:
Basic weighted average common shares outstanding (in shares)	43,217	42,093
Impact of equity awards (in shares)	1,890	2,988
Impact of conversion of preferred stock into common stock (in shares)	2,266	2,266
Diluted shares:
Diluted weighted average common shares outstanding (in shares)	47,373	47,347
Basic net income per common share:
Net income available to common shareholders from continuing operations, per basic shares (in dollars per share)	$ 0.04	$ 0.02
Impact of equity awards (in dollars per share)
Impact of conversion of preferred stock into common stock (in dollars per share)
Diluted net income per common share:
Net income available to common shareholders from continuing operations, per dilutive shares (in dollars per share)	$ 0.03	$ 0.02