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, 2016	May 31, 2015
Basic net income per common share:
Net income available to common shareholders	$ 2,686	$ 1,525
Impact of conversion of preferred stock into common stock	$ 0
Basic shares:
Basic weighted average common shares outstanding (in shares)	47,070	43,217
Impact of equity awards (in shares)	225	1,890
Impact of conversion of preferred stock into common stock (in shares)	0	2,266
Diluted shares:
Diluted weighted average common shares outstanding (in shares)	47,295	47,373
Basic net income per common share:
Net income available to common shareholders from continuing operations, per basic shares (in dollars per share)	$ 0.06	$ 0.04
Diluted net income per common share:
Net income available to common shareholders from continuing operations, per dilutive shares (in dollars per share)	$ 0.06	$ 0.03