Annual report pursuant to Section 13 and 15(d)

Concentration of Credit Risk and Significant Customers and Suppliers (Details)

v3.21.2
Concentration of Credit Risk and Significant Customers and Suppliers (Details) - supplier
12 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 28, 2019
Concentration Risk [Line Items]      
Percentage of net sales 51.00% 52.00% 49.00%
Percentage of accounts receivable 50.00% 53.00%  
Percentage of accounts receivable including Company's largest customer 17.00% 13.00%  
Percentage of cost of goods sold 8.00% 7.00% 6.00%
Number of suppliers 5    
Sales Revenue, Net | Customer Concentration Risk | Customer One      
Concentration Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 16.00% 17.00% 16.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Two      
Concentration Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 15.00% 13.00% 12.00%
Sales Revenue, Net | Customer Concentration Risk | Customer Three      
Concentration Risk [Line Items]      
Percentage of largest customer accounted of the Company's net sales 9.00% 10.00% 9.00%