CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Revenues:
Products	$ 237,981	$ 209,895	$ 195,549
Application subscriptions and other services	42,738	40,711	40,354
Total revenues	280,719	250,606	235,903
Cost of revenues:
Products	158,689	144,911	139,205
Application subscriptions and other services	19,071	18,291	16,767
Total cost of revenues	177,760	163,202	155,972
Gross profit	102,959	87,404	79,931
Operating expenses:
Research and development	19,803	19,854	21,052
Selling	23,380	20,442	19,837
General and administrative	25,065	15,578	14,416
Intangible asset amortization	6,626	6,590	6,283
Total operating expenses	74,874	62,464	61,588
Operating income	28,085	24,940	18,343
Non-operating income (expense):
Investment income	1,871	224	42
Interest expense	(7,595)	(296)	(407)
Other expense	(20)	(68)	(67)
Total non-operating income (expense)	(5,744)	(140)	(432)
Income before income taxes and equity in net loss of affiliate	22,341	24,800	17,911
Income tax provision	(4,572)	(8,292)	(6,108)
Income before equity in net loss of affiliate	17,769	$ 16,508	$ 11,803
Equity in net loss of affiliate	(829)
Net income	$ 16,940	$ 16,508	$ 11,803
Earnings per share:
Basic	$ 0.46	$ 0.46	$ 0.34
Diluted	$ 0.46	$ 0.45	$ 0.33
Shares used in computing earnings per share:
Basic	36,448	35,784	34,969
Diluted	36,950	36,530	36,023
Comprehensive income:
Net income	$ 16,940	$ 16,508	$ 11,803
Other comprehensive loss:
Foreign currency cumulative translation adjustment	(161)
Total comprehensive income	$ 16,779	$ 16,508	$ 11,803