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Goodwill and Intangible Assets - Intangible Assets (Excluding Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	16 years
Gross Carrying Amount	$ 267.8	$ 268.5
Accumulated Amortization	(95.9)	(81.0)
Total intangible assets	366.2	367.4
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Indefinite-lived intangible assets	$ 98.4	98.9
Customer relationships
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	15 years
Gross Carrying Amount	$ 225.9	226.5
Accumulated Amortization	$ (87.5)	(74.9)
Unpatented technology
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	9 years
Gross Carrying Amount	$ 23.3	22.6
Accumulated Amortization	$ (4.4)	(2.6)
Land use rights
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	50 years
Gross Carrying Amount	$ 12.8	13.4
Accumulated Amortization	$ (1.3)	(1.2)
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	15 years
Gross Carrying Amount	$ 3.3	3.4
Accumulated Amortization	$ (1.6)	(1.7)
Patents and other
Schedule of Finite-lived and Indefinite-lived Intangible Assets
Weighted-average Estimated Useful Life	5 years
Gross Carrying Amount	$ 2.5	2.6
Accumulated Amortization	$ (1.1)	$ (0.6)

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Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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