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	Apr. 03, 2021	Dec. 31, 2020
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	$ 351.8	$ 333.4
Current
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	225.0	212.0
Long-term
Pre Production Costs Related to Long Term Supply Arrangements [Line Items]
Recoverable customer E&D and tooling	$ 126.8	$ 121.4