Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018		Dec. 31, 2017
Goodwill and Other Intangible Assets [Abstract]
Goodwill	$ 808.1	[1]	$ 779.3	[2]
Finite-Lived Intangible Assets [Abstract]
Weighted average useful life	28 years
Gross carrying amount	$ 249.5		229.5
Accumulated amortization	$ 39.2		33.0
Tradenames [Member]
Finite-Lived Intangible Assets [Abstract]
Weighted average useful life	34 years
Gross carrying amount	$ 209.8		199.8
Accumulated amortization	$ 24.6		20.7
Technology [Member]
Finite-Lived Intangible Assets [Abstract]
Weighted average useful life	12 years
Gross carrying amount	$ 18.8		18.8
Accumulated amortization	$ 6.0		4.8
Patents and Trademarks [Member]
Finite-Lived Intangible Assets [Abstract]
Weighted average useful life	17 years
Gross carrying amount	$ 6.4		6.4
Accumulated amortization	$ 5.5		5.3
Customer Relationships [Member]
Finite-Lived Intangible Assets [Abstract]
Weighted average useful life	30 years
Gross carrying amount	$ 14.5		4.5
Accumulated amortization	$ 3.1		$ 2.2

[1] Unaudited

[2] Condensed from audited financial statements