Goodwill and Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	14 years
Gross Carrying Amount	$ 333.1	$ 268.5
Accumulated Amortization	(101.0)	(81.0)
Total intangible assets	431.4	367.4
Trademarks and trade names
Finite-lived and Indefinite-lived Intangible Assets
Indefinite-lived intangible assets	$ 98.3	98.9
Customer relationships
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	14 years
Gross Carrying Amount	$ 254.0	226.5
Accumulated Amortization	$ (92.0)	(74.9)
Unpatented technology
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	12 years
Gross Carrying Amount	$ 39.4	22.6
Accumulated Amortization	$ (5.1)	(2.6)
Land use rights
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	50 years
Gross Carrying Amount	$ 12.2	13.4
Accumulated Amortization	$ (1.3)	(1.2)
Trademarks and trade names
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	14 years
Gross Carrying Amount	$ 13.5	3.4
Accumulated Amortization	$ (1.1)	(1.7)
Patents and other
Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	7 years
Gross Carrying Amount	$ 14.0	2.6
Accumulated Amortization	$ (1.5)	$ (0.6)

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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