G&K Services, Inc. Integration Expenses	9 Months Ended
	Feb. 29, 2020
Business Combinations [Abstract]
G&K Services, Inc. Integration Expenses	G&K Services, Inc. Integration Expenses As a result of the acquisition of G&K in fiscal 2017, the Company incurred $0.8 million and $13.5 million in expenses during the three and nine months ended February 28, 2019, respectively, which represented integration expenses directly related to the acquisition, primarily facility closure expenses. No such costs were incurred during the three or nine months ended February 29, 2020. As of February 29, 2020 and May 31, 2019, employee termination benefits included in accrued compensation and related liabilities on the consolidated condensed balance sheet was $2.2 million and $2.8 million, respectively. The amount of employee termination benefits paid during the three and nine months ended February 29, 2020 was $0.3 million and $0.6 million, respectively. During the three and nine months ended February 28, 2019, the amount of employee termination benefits paid was $0.5 million and $3.8 million, respectively. We anticipate the remaining accrued employee termination benefits will be paid by the end of this fiscal year.