CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 9 months ended Nov. 30, 2015 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balances at Feb. 28, 2015	$ 151,385	$ 362	$ 207,881	$ (56,793)	$ (65)
Balances (in shares) at Feb. 28, 2015		36,225
Net income	11,434			11,434
Stock-based compensation expense	4,211		4,211
Equity component of convertible senior notes, net of tax	20,104		20,104
Purchase of note hedges, net of tax	(19,324)		(19,324)
Sale of warrants	$ 15,991		15,991
Issuance of shares for restricted stock awards		$ 1	(1)
Issuance of shares for restricted stock awards (in shares)		115
Shares issued on net share settlement of equity awards	$ (2,520)	$ 1	(2,521)
Shares issued on net share settlement of equity awards (in shares)		90
Exercise of stock options	$ 592	$ 2	590
Exercise of stock options (in shares)	145	145
Foreign currency cumulative translation adjustment	$ (46)				(46)
Balances (in shares) at Nov. 30, 2015		36,575
Balances at Nov. 30, 2015	$ 181,827	$ 366	$ 226,931	$ (45,359)	$ (111)