Goodwill and Intangible Assets (Schedule of Goodwill and Intangible Assets) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Schedule Of Intangible Assets And Goodwill [Line Items]
Goodwill, Estimated Useful Life	Indefinite
Amortizing intangible assets, Gross Carrying Amount	$ 270.1	$ 265.9
Amortizing intangible assets, Accumulated Amortization	163.2	155.9
Goodwill	16.9	11.3
Total goodwill and intangible assets	$ 606.9	597.0
Trademarks And Brand Names [Member]
Schedule Of Intangible Assets And Goodwill [Line Items]
Non-amortizing intangible assets, Estimated Useful Life	Indefinite
Non-amortizing intangible assets	$ 319.9	319.8
Customer Relationships [Member]
Schedule Of Intangible Assets And Goodwill [Line Items]
Amortizing intangible assets, Estimated Useful Life	20 years
Amortizing intangible assets, Gross Carrying Amount	$ 180.3	176.3
Amortizing intangible assets, Accumulated Amortization	$ 98.4	93.9
Developed Technology [Member]
Schedule Of Intangible Assets And Goodwill [Line Items]
Amortizing intangible assets, Estimated Useful Life	15 years
Amortizing intangible assets, Gross Carrying Amount	$ 84.0	83.7
Amortizing intangible assets, Accumulated Amortization	$ 63.7	60.9
Other [Member]
Schedule Of Intangible Assets And Goodwill [Line Items]
Amortizing intangible assets, Estimated Useful Life	Various
Amortizing intangible assets, Gross Carrying Amount	$ 5.8	5.9
Amortizing intangible assets, Accumulated Amortization	$ 1.1	$ 1.1