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Goodwill and Purchased Intangible Assets - Additional Information (Details) $ in Millions | Dec. 31, 2017 USD ($)
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Goodwill And Indefinite Lived Intangible Assets By Segment [Line Items] |
Indefinite-lived intangible assets | $ 5.1
Definite-lived intangible asset | 33.5
Goodwill | 110.1
Amortization related to definite lived intangible assets, 2018 | 2.7
Amortization related to definite lived intangible assets, 2019 | 2.7
Amortization related to definite lived intangible assets, 2020 | 2.7
Amortization related to definite lived intangible assets, 2021 | 2.7
Amortization related to definite lived intangible assets, 2022 | 2.7
Amortization related to definite lived intangible assets, thereafter | 20.2
Composite Materials |
Goodwill And Indefinite Lived Intangible Assets By Segment [Line Items] |
Goodwill | 76.9
Engineered Products |
Goodwill And Indefinite Lived Intangible Assets By Segment [Line Items] |
Goodwill | $ 33.2

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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