Intangible Assets - Summary of Changes (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($)
Summary of the changes in the carrying amount of goodwill and other indefinite-lived intangible assets
Goodwill, Beginning balance	$ 1,752.0
Goodwill, Additions	0.4
Goodwill, Disposals	(0.7)
Goodwill, Foreign currency translation	(2.4)
Goodwill, Ending balance	1,749.3
Other indefinite-lived intangible assets, Beginning Balance	486.2
Other indefinite-lived intangible assets, Foreign currency translation	(0.5)
Other indefinite-lived intangible assets, Ending Balance	$ 485.7