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Fair Value of Financial Instruments and Non-Financial Assets and Liabilities - Additional Information (Details) - USD ($)
12 Months Ended
Jul. 02, 2023
Jul. 03, 2022
Jun. 27, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Investment assets held by the trust $ 2,496,000 $ 2,196,000  
(Gain) losses on investments held by the trust (154,000) 48,000  
Interest rate swaps 0    
Designated Hedges [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Derivative notional amount $ 75,000,000    
Increase (decrease) in interest expense   $ 1,190,000 $ 1,347,000
Designated Hedges [Member] | LIBOR [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Derivative, average fixed interest rate 1.90%