Intangible Assets - Accumulated Impairment, Changes in Goodwill and Other Indefinite-Lived Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Accumulated impairment loss			$ 606.3
Other indefinite-lived intangible assets, Accumulated impairment loss			$ 37.1
Goodwill [Roll Forward]
Goodwill, Beginning balance	$ 1,928.4	$ 1,911.0
Additions	209.6	0.0
Disposals	(0.6)	(8.8)
Impairment	0.0	0.0
Foreign currency translation	(13.3)	26.2
Goodwill, Ending balance	2,124.1	1,928.4
Indefinite-lived Intangible Assets [Roll Forward]
Beginning Balance	563.4	552.2
Additions	84.8	2.5
Disposals	0.0	0.0
Impairment	0.0	(1.2)
Foreign currency translation	(6.7)	9.9
Ending Balance	$ 641.5	$ 563.4