Investments in Unconsolidated Affiliates and Variable Interest Entities - Schedule of Raw Material Purchases under Supply Agreement (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 13,677	$ 13,219
UNF [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	548	1,343
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 14,225	$ 14,562