Investments in Unconsolidated Affiliates and Variable Interest Entities - Schedule of Raw Material Purchases under Supply Agreement (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 25, 2018	Mar. 26, 2017
UNF [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 1,463	$ 1,676
UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	16,291	14,910
UNF and UNF America [Member]
Schedule Of Equity Method Investments [Line Items]
Raw material purchases under supply agreement	$ 17,754	$ 16,586