Subsequent Events - Summary of G&K Acquisition Debt Incurred (Details) - USD ($) $ in Millions	Mar. 21, 2017	Feb. 28, 2017
Subsequent Event [Line Items]
Commercial paper		$ 99.5
G&K Services | Subsequent Event
Subsequent Event [Line Items]
Long-term Debt	$ 2,109.0
Debt issuance costs	(10.7)
Net proceeds from new debt	2,098.3
Total debt acquired	100.0
Commercial paper | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Commercial paper	$ 159.0
Interest Rate	1.25%
Senior Notes April 2022 Maturity, 2.90% | Senior notes | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Long-term Debt	$ 650.0
Interest Rate	2.90%
Senior Notes June 2022 Maturity, 3.25% | Senior notes | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Long-term Debt	$ 50.0
Interest Rate	3.25%
Senior Notes April 2027 Maturity, 3.70% | Senior notes | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Long-term Debt	$ 1,000.0
Interest Rate	3.70%
Term Loan September 2021 Maturity, 1.94% | Term loan | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Long-term Debt	$ 250.0
Interest Rate	1.91%
Senior Notes April 2023 Maturity, 3.73% | Senior notes | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Interest Rate	3.73%
Total debt acquired	$ 50.0
Senior Notes April 2025 Maturity, 3.88% | Senior notes | G&K Services | Subsequent Event
Subsequent Event [Line Items]
Interest Rate	3.88%
Total debt acquired	$ 50.0