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Organization and Summary of Significant Accounting Policies - Accounts Receivable Balance Percentage of Different Customers (Parenthetical) (Detail)
12 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Maximum [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 10.00% 10.00%