Intangible Assets (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($)
Summary of the changes in the carrying amount of goodwill and other indefinite-lived intangible assets
Goodwill, Beginning Balance	$ 1,265.8
Goodwill, Additions	30.6
Goodwill, Foreign currency translation	(4.3)
Goodwill, Ending Balance	1,292.1
Other indefinite-lived intangible assets, Beginning Balance	386.2
Other indefinite-lived intangible assets, Additions	8.2
Other indefinite-lived intangible assets, Foreign currency translation	(2.5)
Other indefinite-lived intangible assets, Ending Balance	$ 391.9