Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 01, 2020	Oct. 31, 2019	Nov. 01, 2020	Oct. 31, 2019
Revenue	$ 410,619	$ 428,409	$ 1,181,461	$ 1,151,436
Cost of revenue	134,103	127,771	373,394	366,092
Gross profit	276,516	300,638	808,067	785,344
Operating expenses:
Research and development	122,981	106,663	350,079	318,758
Sales and marketing	172,282	184,819	517,149	537,633
General and administrative	46,467	37,416	132,063	119,542
Restructuring and other	0	0	22,990	0
Total operating expenses	341,730	328,898	1,022,281	975,933
Loss from operations	(65,214)	(28,260)	(214,214)	(190,589)
Other income (expense), net	(4,887)	9	(6,700)	(2,459)
Loss before provision for income taxes	(70,101)	(28,251)	(220,914)	(193,048)
Provision for income taxes	4,121	1,731	8,869	3,288
Net loss	$ (74,222)	$ (29,982)	$ (229,783)	$ (196,336)
Net loss per share attributable to common stockholders, basic and diluted (in dollars per share)	$ (0.28)	$ (0.12)	$ (0.87)	$ (0.78)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)	269,144	255,047	265,626	250,618
Product
Revenue	$ 274,470	$ 323,268	$ 793,718	$ 862,137
Cost of revenue	86,661	89,998	240,677	259,460
Subscription services
Revenue	136,149	105,141	387,743	289,299
Cost of revenue	$ 47,442	$ 37,773	$ 132,717	$ 106,632