Acquisition - Additional Information (Details) - G P Business [Member] $ in Millions		12 Months Ended
Oct. 01, 2018 USD ($) Employee t	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Annual sales of acquiree		$ 99
Subsequent Event [Member]
Business Acquisition [Line Items]
Business acquisition purchase price	$ 186
Business acquisition, date of completion	Oct. 01, 2018
Annual production capacity \| t	32,000
Number of employees at manufacturing facility \| Employee	220

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 30
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-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477

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