XML 63 R48.htm IDEA: XBRL DOCUMENT v3.21.2
Organization and Summary of Significant Accounting Policies - Inventory Purchase from Major Suppliers (Details) - Supplier
12 Months Ended
Jun. 27, 2021
Jun. 28, 2020
Supplier Concentrations    
Percentage of inventory purchases from major suppliers 44.00% 39.00%
Number of major Suppliers 8 7