CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Revenue	$ 399,781	$ 332,949	$ 1,064,262	$ 978,532
Cost of revenue	220,747	167,173	567,843	513,331
Gross profit	179,034	165,776	496,419	465,201
Operating expenses
Research and development	64,947	56,370	126,277	108,717
Sales and marketing	59,955	57,205	143,691	131,658
General and administrative	44,090	39,806	83,816	75,047
Total operating expenses	168,992	153,381	353,784	315,422
Operating income	10,042	12,395	142,635	149,779
Other income (expense), net
Interest income	123	44	156	80
Interest expense	(90)	(182)	(187)	(448)
Other income (expense), net	(2,281)	(1,578)	(3,683)	2,680
Total other income (expense), net	(2,248)	(1,716)	(3,714)	2,312
Income before provision for (benefit from) income taxes	7,794	10,679	138,921	152,091
Provision for (benefit from) income taxes	(772)	(6,542)	6,874	2,578
Net income	8,566	17,221	132,047	149,513
Net income attributable to common stockholders:
Basic and diluted	$ 8,566	$ 17,221	$ 132,047	$ 149,513
Basic (in USD per share)	$ 0.07	$ 0.14	$ 1.03	$ 1.26
Diluted (in USD per share)	$ 0.06	$ 0.12	$ 0.94	$ 1.09
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	128,112,234	121,880,615	127,887,530	118,745,569
Diluted (in shares)	139,642,570	143,055,546	140,982,509	136,849,846
Total comprehensive income
Net income	$ 8,566	$ 17,221	$ 132,047	$ 149,513
Change in foreign currency translation adjustment	100	199	(260)	1,046
Comprehensive income	$ 8,666	$ 17,420	$ 131,787	$ 150,559