CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Revenues:
Products	$ 77,528	$ 67,580	$ 223,165	$ 219,985
Application subscriptions and other services	16,141	15,770	48,352	44,991
Total revenues	93,669	83,350	271,517	264,976
Cost of revenues:
Products	47,075	40,764	134,141	135,139
Application subscriptions and other services	8,407	7,469	24,908	22,272
Total cost of revenues	55,482	48,233	159,049	157,411
Gross profit	38,187	35,117	112,468	107,565
Operating expenses:
Research and development	6,296	5,297	18,853	17,273
Selling and marketing	12,981	12,818	38,167	36,809
General and administrative	10,993	11,352	38,159	38,619
Intangible asset amortization	3,710	3,857	11,278	11,203
Total operating expenses	33,980	33,324	106,457	103,904
Operating income	4,207	1,793	6,011	3,661
Non-operating income (expense):
Investment income	619	201	1,348	1,109
Interest expense	(2,573)	(2,479)	(7,658)	(7,377)
Gain on legal settlement (see Note 15)	13,301		28,333
Other income (expense)	12	(587)	442	(174)
Total non-operating income (expense)	11,359	(2,865)	22,465	(6,442)
Income (loss) before income taxes and equity in net loss of affiliate	15,566	(1,072)	28,476	(2,781)
Income tax benefit (provision)	(3,351)	(135)	(5,970)	120
Income (loss) before equity in net loss of affiliate	12,215	(1,207)	22,506	(2,661)
Equity in net loss of affiliate	(409)	(320)	(1,122)	(1,004)
Net income (loss)	$ 11,806	$ (1,527)	$ 21,384	$ (3,665)
Earnings (loss) per share:
Basic	$ 0.33	$ (0.04)	$ 0.61	$ (0.10)
Diluted	$ 0.33	$ (0.04)	$ 0.59	$ (0.10)
Shares used in computing earnings (loss) per share:
Basic	35,347	35,731	35,206	36,196
Diluted	36,247	35,731	36,064	36,196
Comprehensive income (loss):
Net income (loss)	$ 11,806	$ (1,527)	$ 21,384	$ (3,665)
Other comprehensive loss:
Foreign currency translation adjustments	123	444	(56)	(180)
Unrealized gain (loss) on available-for-sale securities, net of tax	419	(70)	470	(78)
Total comprehensive income (loss)	$ 12,348	$ (1,153)	$ 21,798	$ (3,923)