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Pre-Production Costs Related to Long-Term Supply Agreements - Classification of Recoverable Customer E&D and Tooling Costs Related to Long-term Supply Agreements (Details) - USD ($) $ in Millions	Jul. 04, 2020	Dec. 31, 2019
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	$ 324.8	$ 271.0
Current
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	189.6	157.2
Long-term
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	$ 135.2	$ 113.8

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- Definition

Pre Production Costs Related to Long Term Supply Arrangements [Line Items]

+ References

No definition available.

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- Definition

The carrying amount as of the balance sheet date of capitalized preproduction costs incurred on long-term supply arrangements, including recoverable costs to design and develop products.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=27011391&loc=d3e105117-122735

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