Goodwill and Other Intangible Assets - Other intangible assets (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 01, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Net identifiable intangible assets		$ 78.7	$ 74.0
Amortizable intangible assets, Gross Amount		61.6	55.8
Accumulated Amortization		(20.9)	(18.0)
Total gross intangible assets		99.6	92.0
Aggregate amortization expense of acquired intangible assets		3.7	3.9	$ 2.9
Estimated annual amortization expense
2018		3.9
2019		3.9
2020		3.9
2021		3.7
2022		3.0
Trade names
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Non-amortizable, Gross Amount		38.0	36.2
Customer based intangibles
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Amount		39.2	34.4
Accumulated Amortization		(14.7)	(11.1)
Trade names and trademarks
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Amount		5.2	6.8
Accumulated Amortization		(2.3)	(4.2)
Acquired technology
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Amortizable intangible assets, Gross Amount		17.2	14.6
Accumulated Amortization		(3.9)	$ (2.7)
W.A. Sanders Coldenhove Holding B.V.
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Intangible assets-definite lived	$ 4.7	4.7
Non-amortizable trade names	1.2	$ 1.2
Total intangible assets	5.9
W.A. Sanders Coldenhove Holding B.V. | Customer based intangibles
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Intangible assets-definite lived	$ 2.9
Estimated Useful Lives (Years)	15 years
W.A. Sanders Coldenhove Holding B.V. | Trade names and trademarks
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Intangible assets-definite lived	$ 0.5
Estimated Useful Lives (Years)	10 years
W.A. Sanders Coldenhove Holding B.V. | Acquired technology
Finite Lived and Indefinite Live Intangible Assets by Major Class [Line Items]
Intangible assets-definite lived	$ 1.3
Estimated Useful Lives (Years)	4 years