Investments in Unconsolidated Affiliates and Variable Interest Entities - Additional Information (Details) $ in Thousands	3 Months Ended
	Sep. 29, 2019 USD ($) Entity FuturesContract	Jun. 30, 2019 USD ($)
Schedule Of Equity Method Investments [Line Items]
Unconsolidated Entities, Number | Entity	3
Equity method investments	$ 102,601	$ 114,320
Parkdale America LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investments	$ 100,616
Number of futures contracts designated as cash flow hedges | FuturesContract	0
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investments	$ 1,985
Purchase commitment, remaining minimum amount committed	3,143
Accounts payable, related parties	$ 1,708	$ 1,728
Percentage of current and total assets and total liabilities accounted for by equity method investments	3.00%