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Investments in Unconsolidated Affiliates and Variable Interest Entities - Additional Information (Details)
$ in Thousands
3 Months Ended
Sep. 27, 2020
USD ($)
Entity
Jun. 28, 2020
USD ($)
Apr. 29, 2020
Schedule Of Equity Method Investments [Line Items]      
Unconsolidated Entities, Number | Entity 2    
UNF and UNF America [Member]      
Schedule Of Equity Method Investments [Line Items]      
Equity method investments $ 2,195    
Purchase commitment, remaining minimum amount committed 1,100    
Accounts payable, related parties $ 2,561 $ 1,166  
Percentage of current and total assets and total liabilities accounted for by equity method investments 3.00%    
Parkdale America LLC [Member]      
Schedule Of Equity Method Investments [Line Items]      
Equity method investment, ownership percentage     34.00%