Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Revenue:
Appliance	$ 82,732	$ 89,275	$ 83,146
Subscription	269,917	230,883	194,300
Total revenue	352,649	320,158	277,446
Cost of revenue	83,772	70,132	58,667
Gross profit	268,877	250,026	218,779
Operating expenses:
Research and development	75,070	71,251	58,737
Sales and marketing	129,707	138,324	125,526
General and administrative	42,042	47,338	35,438
Total operating expenses	246,819	256,913	219,701
Income (loss) from operations	22,058	(6,887)	(922)
Other expense, net	(70)	(262)	(3,674)
Income (loss) before income taxes	21,988	(7,149)	(4,596)
Benefit from (provision for) income taxes	(11,753)	2,727	(62,902)
Net income (loss)	$ 10,235	$ (4,422)	$ (67,498)
Net income (loss) per share:
Basic (in usd per share)	$ 0.20	$ (0.08)	$ (1.30)
Diluted (in usd per share)	$ 0.19	$ (0.08)	$ (1.30)
Weighted-average shares used to compute net income (loss) per share:
Basic (in shares)	52,456	53,070	51,898
Diluted (in shares)	53,572	53,070	51,898