G&K Services, Inc. Integration Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018	May 31, 2018
Business Acquisition [Line Items]
Integration related costs	$ 799	$ 9,821	$ 13,496	$ 26,866
G&K Services
Business Acquisition [Line Items]
Integration related costs	800	9,800	13,500	26,900
Employee termination expenses	900		900	1,000
Integration costs (credits), excluding severance costs	(100)	$ 9,800	12,600	$ 25,900
Accrued employee termination benefits	6,200		6,200		$ 9,100
Payments for employee termination benefits	$ 500		$ 3,800