Intangible Assets - Summary of Changes (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($)
Summary of the changes in the carrying amount of goodwill and other indefinite-lived intangible assets
Goodwill, Beginning Balance	$ 1,291.2
Goodwill, Additions	238.8
Goodwill, Disposals	(1.9)
Goodwill, Foreign currency translation	10.3
Goodwill, Ending Balance	1,538.4
Other indefinite-lived intangible assets, Beginning Balance	420.1
Other indefinite-lived intangible assets, Additions	24.2
Other indefinite-lived intangible assets, Disposals	(1.5)
Other indefinite-lived intangible assets, Foreign currency translation	4.2
Other indefinite-lived intangible assets, Ending Balance	$ 447.0