CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Income Statement [Abstract]
Revenue	$ 664,481	$ 645,584
Cost of revenue	347,096	346,159
Gross profit	317,385	299,425
Operating expenses
Research and development	61,330	52,346
Sales and marketing	83,736	74,453
General and administrative	39,725	35,242
Total operating expenses	184,791	162,041
Operating income	132,594	137,384
Other income (expense), net
Interest income	33	36
Interest expense	(98)	(265)
Other income (expense), net	(1,402)	4,257
Total other income (expense), net	(1,467)	4,028
Income before provision for income taxes	131,127	141,412
Provision for income taxes	7,646	9,120
Net income	123,481	132,292
Net income attributable to common stockholders:
Basic	123,481	132,292
Diluted	$ 123,481	$ 132,292
Basic (in USD per share)	$ 0.97	$ 1.14
Diluted (in USD per share)	$ 0.87	$ 1.01
Weighted-average shares used in computing net income per share attributable to common stockholders:
Basic (in shares)	127,662,826	115,610,523
Diluted (in shares)	142,322,448	130,644,147
Total comprehensive income
Net income	$ 123,481	$ 132,292
Change in foreign currency translation adjustment	(360)	847
Comprehensive income	$ 123,121	$ 133,139