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Business Acquisitions - Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination (Details) - Conwed Plastics LLC [Member] $ in Millions	Jan. 20, 2017 USD ($)
Business Acquisition [Line Items]
Preliminary Fair Value	$ 134.4
Trade names [Member]
Business Acquisition [Line Items]
Preliminary Fair Value	7.1
Finite-Lived Intangible Assets [Member]
Business Acquisition [Line Items]
Preliminary Fair Value	127.3
Customer relationships [Member]
Business Acquisition [Line Items]
Preliminary Fair Value	$ 108.0
Weighted-Average Amortization Period (Years)	15 years
Developed technology [Member]
Business Acquisition [Line Items]
Preliminary Fair Value	$ 18.1
Weighted-Average Amortization Period (Years)	17 years 2 months 12 days
Non-compete agreements [Member]
Business Acquisition [Line Items]
Preliminary Fair Value	$ 1.2
Weighted-Average Amortization Period (Years)	7 years 2 months 12 days

X

- Definition

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

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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