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Debt - Additional Information (Detail) - USD ($)
12 Months Ended
Sep. 28, 2018
May 02, 2016
Jul. 02, 2021
Jul. 03, 2020
Jun. 30, 2019
Line of Credit Facility [Line Items]          
Debt instrument borrowing term   5 years      
Interest Expense     $ (1,222,000) $ (1,006,000) $ (9,109,000)
Letters of credit outstanding     $ 963,000    
Collateral Capital Stock     65.00%    
Revolver          
Line of Credit Facility [Line Items]          
Line of Credit Facility, maximum borrowing capacity $ 750,000,000        
Debt instrument borrowing term 5 years        
Interest Expense     $ (1,222,000) $ (1,006,000)  
Revolver [Member]          
Line of Credit Facility [Line Items]          
Debt instrument borrowing term 5 years        
Debt Issuance Costs, Net     3,025,000    
Long-term line of credit     $ 200,000,000    
Revolver [Member] | Credit Agreement [Member]          
Line of Credit Facility [Line Items]          
Basis Spread on Variable Rate     1.125%    
Commitment Fee Percentage     0.20%