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Balance Sheet Components - Summary of Changes in Deferred Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Deferred Revenue Arrangement [Line Items]      
Deferred revenue $ 89,498 $ 62,389 $ 56,449
Contract with Customer, Liability [Roll Forward]      
Deferred revenue, beginning of period 62,389 56,449 50,967
Recognition of revenue included in beginning of period deferred revenue (19,175) (13,052) (11,934)
Revenue deferred, net of revenue recognized on contracts in the respective period 46,284 18,992 17,416
Deferred revenue, end of period 89,498 $ 62,389 $ 56,449
Software Upgrades and Cloud-Based Services      
Deferred Revenue Arrangement [Line Items]      
Deferred revenue 70,400    
Contract with Customer, Liability [Roll Forward]      
Deferred revenue, end of period $ 70,400