Pre-Production Costs Related to Long-Term Supply Agreements - Narrative (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | ||
| Capitalized pre-production E&D costs | $ 134.0 | $ 115.4 |
| Capitalized pre-production tooling costs related to customer-owned tools | 55.4 | 78.3 |
| Cash collected related to E&D and tooling costs | $ 168.5 | $ 148.3 |