Investments in Unconsolidated Affiliates and Variable Interest Entities - Schedule of Raw Material Purchases under Supply Agreement (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 24, 2017	Dec. 25, 2016
UNF [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 1,141	$ 1,250
UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	10,406	9,579
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 11,547	$ 10,829