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Balance Sheet Components - Summary of Changes In Allowance for Sales Incentives (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Allowance for Sales Incentives [Roll Forward]      
Beginning balance $ 17,515 $ 20,051 $ 11,754
Charged to revenue 95,249 108,843 87,703
Utilization of sales incentive allowance (93,604) (111,379) (79,406)
Ending balance $ 19,160 $ 17,515 $ 20,051