Investments in Unconsolidated Affiliates and Variable Interest Entities - Schedule of Raw Material Purchases under Supply Agreement (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2019	Sep. 30, 2018
UNF [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 495	$ 486
UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	4,448	5,530
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 4,943	$ 6,016