CONSOLIDATED INCOME STATEMENTS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2012
Revenues:
Products	$ 195,549	$ 163,022	$ 126,640
Application subscriptions and other services	40,354	17,557	12,088
Total revenues	235,903	180,579	138,728
Cost of revenues:
Products	139,205	113,780	90,546
Application subscriptions and other services	16,767	9,906	6,163
Total cost of revenues	155,972	123,686	96,709
Gross profit	79,931	56,893	42,019
Operating expenses:
Research and development	21,052	14,291	11,328
Selling	19,837	12,725	11,060
General and administrative	14,416	12,154	10,984
Intangible asset amortization	6,283	1,743	1,277
Total operating expenses	61,588	40,913	34,649
Operating income	18,343	15,980	7,370
Non-operating expense:
Interest expense, net	(365)	(487)	(1,261)
Foreign currency translation account write-off			(801)
Other expense	(67)	(45)	(29)
Total non-operating expense	(432)	(532)	(2,091)
Income before income taxes	17,911	15,448	5,279
Income tax benefit (provision)	(6,108)	29,178	(61)
Net income	$ 11,803	$ 44,626	$ 5,218
Earnings per share:
Basic	$ 0.34	$ 1.54	$ 0.19
Diluted	$ 0.33	$ 1.49	$ 0.18
Shares used in computing earnings per share:
Basic	34,969	28,886	27,658
Diluted	36,023	29,982	28,458