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Summary of Significant Accounting Policies - Schedules of Concentration of Credit Risk (Details) - Customer Concentration Risk
12 Months Ended
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Customer A | Accounts receivable      
Product Information [Line Items]      
Concentration percentage 19.00% 39.00%  
Customer A | Revenue      
Product Information [Line Items]      
Concentration percentage 14.00% 12.00% 16.00%
Customer B | Accounts receivable      
Product Information [Line Items]      
Concentration percentage 10.00%    
Customer C | Revenue      
Product Information [Line Items]      
Concentration percentage     10.00%