Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Schedule Of Intangible Assets And Goodwill [Line Items]
Amortizing intangible assets, Gross Carrying Amount	$ 265.9	$ 254.4
Amortizing intangible assets, Accumulated Amortization	155.9	141.6
Goodwill	11.3	0.5
Total goodwill and intangible assets	$ 597.0	569.3
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	$ 319.8	314.4
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	$ 176.3	165.3
Amortizing intangible assets, Accumulated Amortization	$ 93.9	84.9
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	$ 83.7	82.8
Amortizing intangible assets, Accumulated Amortization	$ 60.9	55.4
Other [Member]
Schedule Of Intangible Assets And Goodwill [Line Items]
Amortizing intangible assets, Estimated Useful Life	Various
Amortizing intangible assets, Gross Carrying Amount	$ 5.9	6.3
Amortizing intangible assets, Accumulated Amortization	$ 1.1	$ 1.3