Derivative financial instruments - Gains (Losses) From Derivative Instruments Not Designated as Hedging Instruments (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 29, 2025 |
Mar. 30, 2024 |
|
| Derivative Instruments, Gain (Loss) | ||
| Gain (losses) on derivative, recognized in the income statement | $ 1.4 | $ 2.1 |
| —Currency forward contracts recognized in SG&A | ||
| Derivative Instruments, Gain (Loss) | ||
| Gain (losses) on derivative, recognized in the income statement | $ 1.4 | $ 2.1 |