Goodwill and Other Intangible Assets, Net - Narrative (Details) $ in Millions	Mar. 30, 2018 USD ($)
U.K. Composites
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 11.4
Engineering Services
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 1.1

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.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration