Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Revenue:
Appliance	$ 18,347	$ 21,034	$ 38,612	$ 42,367
Subscription	75,978	66,896	149,892	132,217
Total revenue	94,325	87,930	188,504	174,584
Cost of revenue	25,198	20,240	48,846	40,481
Gross profit	69,127	67,690	139,658	134,103
Operating expenses:
Research and development	19,440	18,446	38,796	37,653
Sales and marketing	38,561	32,144	74,781	63,474
General and administrative	10,338	10,969	21,282	21,741
Total operating expenses	68,339	61,559	134,859	122,868
Income from operations	788	6,131	4,799	11,235
Other income, net	1,124	1,515	2,308	2,505
Income before income taxes	1,912	7,646	7,107	13,740
Provision for income taxes	(358)	(5,209)	(2,881)	(8,519)
Net income (Note 9)	$ 1,554	$ 2,437	$ 4,226	$ 5,221
Net income per share:
Basic (in usd per share)	$ 0.03	$ 0.05	$ 0.08	$ 0.10
Diluted (in usd per share)	$ 0.03	$ 0.05	$ 0.08	$ 0.10
Weighted-average shares used to compute net income per share:
Basic (in shares)	53,040	52,265	52,958	52,275
Diluted (in shares)	54,609	53,321	54,470	53,088