CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2018	Nov. 30, 2017
Revenues:
Revenues	$ 88,495	$ 93,669	$ 279,420	$ 271,517
Cost of revenues:
Cost of revenues	52,114	55,482	165,127	159,049
Gross profit	36,381	38,187	114,293	112,468
Operating expenses:
Research and development	7,177	6,296	21,377	18,853
Selling and marketing	12,746	12,981	37,766	38,167
General and administrative	11,719	10,993	37,146	38,159
Restructuring (see Note 7)	1,247		5,196
Intangible asset amortization	2,893	3,710	8,534	11,278
Total operating expenses	35,782	33,980	110,019	106,457
Operating income	599	4,207	4,274	6,011
Non-operating income (expense):
Investment income	1,398	619	3,258	1,348
Interest expense	(5,134)	(2,573)	(11,566)	(7,658)
Gain on legal settlement (see Note 16)	2,500	13,301	15,833	28,333
Loss on extinguishment of debt (see Note 6)			(2,033)
Other income (expense)	(218)	12	(721)	442
Total non-operating income (expense)	(1,454)	11,359	4,771	22,465
Income (loss) before income taxes and equity in net loss of affiliate	(855)	15,566	9,045	28,476
Income tax benefit (provision)	778	(3,351)	(496)	(5,970)
Income (loss) before equity in net loss of affiliate	(77)	12,215	8,549	22,506
Equity in net loss of affiliate	(445)	(409)	(1,414)	(1,122)
Net income (loss)	$ (522)	$ 11,806	$ 7,135	$ 21,384
Earnings (loss) per share:
Basic	$ (0.02)	$ 0.33	$ 0.20	$ 0.61
Diluted	$ (0.02)	$ 0.33	$ 0.20	$ 0.59
Shares used in computing earnings (loss) per share:
Basic	34,561	35,347	34,950	35,206
Diluted	34,561	36,247	35,769	36,064
Comprehensive income (loss):
Net income (loss)	$ (522)	$ 11,806	$ 7,135	$ 21,384
Other comprehensive income (loss):
Foreign currency translation adjustments	(29)	123	(12)	(56)
Unrealized gain on available-for-sale securities, net of tax		419		470
Total comprehensive income (loss)	(551)	12,348	7,123	21,798
Products [Member]
Revenues:
Revenues	67,571	77,528	221,461	223,165
Cost of revenues:
Cost of revenues	41,397	47,075	134,795	134,141
Application Subscriptions and Related Products and Other Services [Member]
Revenues:
Revenues	20,924	16,141	57,959	48,352
Cost of revenues:
Cost of revenues	$ 10,717	$ 8,407	$ 30,332	$ 24,908