Derivative financial instruments - Net Investment Hedging Instruments in OCI (Details) - Net Investment Hedges - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 28, 2024 |
Sep. 30, 2023 |
Sep. 28, 2024 |
Sep. 30, 2023 |
|
| Derivative Instruments, Gain (Loss) | ||||
| Total net fair value (losses) gains | $ (50.1) | $ 23.9 | $ (24.2) | $ 1.8 |
| —Designated cross currency swaps | ||||
| Derivative Instruments, Gain (Loss) | ||||
| Total net fair value (losses) gains | $ (50.1) | $ 23.9 | $ (24.2) | $ 1.8 |