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Revenue - Schedule of Activity Related to Contract Assets (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Change In Contract With Customer Asset [Line Items] |
Opening adjustment - January 1, 2018 | $ 38.1
Net revenue billed | 12.4
Balance at December 31, 2018 | 50.5
Composite Materials |
Change In Contract With Customer Asset [Line Items] |
Opening adjustment - January 1, 2018 | 15.1
Net revenue billed | (2.2)
Balance at December 31, 2018 | 12.9
Engineered Products |
Change In Contract With Customer Asset [Line Items] |
Opening adjustment - January 1, 2018 | 23.0
Net revenue billed | 14.6
Balance at December 31, 2018 | $ 37.6

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044 + Details
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