Income Taxes - Schedule of Income Tax Provisions by Controlling and Noncontrolling Interests (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Income Tax Provision
Deferred taxes		$ 35.3	$ 27.5
Provision for income taxes		59.7	57.0
Non- controlling Interests
Income Tax Provision
Current tax		2.0	2.1
Deferred taxes		(0.1)	(0.2)
Provision for income taxes		1.9	1.9
Controlling Interest
Income Tax Provision
Current tax		22.4	27.4
Intangible-related deferred taxes		19.8	22.1
Other deferred taxes		15.6	5.6
Provision for income taxes		57.8	55.1
Income before income taxes (controlling interest)		$ 180.3	$ 159.1
Effective tax rate attributable to controlling interests	[1]	32.10%	34.60%

[1] Taxes attributable to the controlling interest divided by Income before income taxes (controlling interest).