Investments in Unconsolidated Affiliates and Variable Interest Entities - Additional Information (Details) $ in Thousands	9 Months Ended
	Mar. 31, 2019 USD ($) Entity FuturesContract	Jun. 24, 2018 USD ($)
Schedule Of Equity Method Investments [Line Items]
Unconsolidated Entities, Number | Entity	3
Equity method investments	$ 114,747	$ 112,639
Parkdale America LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investments	$ 112,431
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	$ 2,316
Purchase commitment, remaining minimum amount committed	4,269
Accounts payable, related parties	$ 1,831	$ 2,301
Percentage of current and total assets and total liabilities accounted for by equity method investments	3.00%