Acquisitions - Purchase Price Allocation (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		3 Months Ended
	Mar. 21, 2017	Aug. 31, 2017	Aug. 31, 2016	Aug. 15, 2016
Business Acquisition [Line Items]
Cash consideration for common stock		$ 302	$ 10,991
G&K Services
Business Acquisition [Line Items]
Cash consideration for common stock	$ 1,901,845
Cash consideration for share-based awards	62,257
Cash consideration for G&K revolving debt	124,180
Cash consideration for transaction expenses	24,529
Total consideration	2,112,811
Cash acquired	(34,393)
Net consideration transferred	$ 2,078,418
Share price of acquisition (in dollars per share)	$ 97.50			$ 97.50
Number of shares acquired (in shares)	19.5