Fair Value Measurements (Details) - USD ($) $ in Millions		3 Months Ended			12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Non-cash impairment charge on indefinite lived intangible assets		$ 0.0
Trademarks [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Carrying value of indefinite lived assets		611.3	$ 623.5		$ 623.5
Non-cash impairment charge on indefinite lived intangible assets			1.5	$ 24.4
Recurring [Member]
Financial Assets [Abstract]
Foreign currency forwards	[1]	1.3
Trading securities held in deferred compensation plan	[2]	5.8	5.8		5.8
Total		7.1	5.8		5.8
Financial Liabilities [Abstract]
Foreign currency forwards	[1]	0.1	1.2		1.2
Interest rate swaps	[3]	19.9	46.7		46.7
Deferred compensation plan	[2]	5.8	5.8		5.8
Total		25.8	53.7		53.7
Recurring [Member] | Level 1 [Member]
Financial Assets [Abstract]
Foreign currency forwards	[1]	0.0
Trading securities held in deferred compensation plan	[2]	5.8	5.8		5.8
Total		5.8	5.8		5.8
Financial Liabilities [Abstract]
Foreign currency forwards	[1]	0.0	0.0		0.0
Interest rate swaps	[3]	0.0	0.0		0.0
Deferred compensation plan	[2]	5.8	5.8		5.8
Total		5.8	5.8		5.8
Recurring [Member] | Level 2 [Member]
Financial Assets [Abstract]
Foreign currency forwards	[1]	1.3
Trading securities held in deferred compensation plan	[2]	0.0	0.0		0.0
Total		1.3	0.0		0.0
Financial Liabilities [Abstract]
Foreign currency forwards	[1]	0.1	1.2		1.2
Interest rate swaps	[3]	19.9	46.7		46.7
Deferred compensation plan	[2]	0.0	0.0		0.0
Total		20.0	47.9		47.9
Recurring [Member] | Level 3 [Member]
Financial Assets [Abstract]
Foreign currency forwards	[1]	0.0
Trading securities held in deferred compensation plan	[2]	0.0	0.0		0.0
Total		0.0	0.0		0.0
Financial Liabilities [Abstract]
Foreign currency forwards	[1]	0.0	0.0		0.0
Interest rate swaps	[3]	0.0	0.0		0.0
Deferred compensation plan	[2]	0.0	0.0		0.0
Total		$ 0.0	0.0		0.0
Nonrecurring Basis [Member] | Level 3 [Member] | Trademarks [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Carrying value of indefinite lived assets			36.7	179.3	36.7	$ 179.3
Write-down estimated fair value of indefinite lived assets			$ 35.2	$ 154.9	35.2	154.9
Non-cash impairment charge on indefinite lived intangible assets					$ 1.5	$ 24.4

[1] Based on calculations that use readily observable market parameters as their basis, such as spot and forward rates.

[2] Based on the quoted price of publicly traded mutual funds which are classified as trading securities and accounted for using the mark-to-market method.

[3] Measured as the present value of all expected future cash flows based on the LIBOR-based swap yield curves as of December 31, 2018. The present value calculation uses discount rates that have been adjusted to reflect the credit quality of the Company and its counterparties.