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Fair Value of Financial Instruments and Non-Financial Assets and Liabilities - Additional Information (Details)
12 Months Ended
Jun. 28, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 24, 2018
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Fair value assets and liabilities amount transfers into or out of the levels $ 0 $ 0 $ 0
Non-financial assets or liabilities of fair value recurring or non-recurring basis $ 0    
LIBOR [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Derivative, average fixed interest rate 1.90%    
Swaps A, B and C [Member] | 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 $ 270,000 $ (320,000) $ 319,000
Swaps A, B and C [Member] | 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%    
Foreign Exchange Forward [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Number of foreign currency derivatives held 0 0