Financial instruments - Foreign exchange gains and losses recognized within AOCI and the interest benefit recognized within interest expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange gain (loss)	$ (36,669)	$ 18,570
Interest benefit	3,720	5,108
Cross-currency interest rate swaps | Not designated as hedging instrument
Derivative Instruments, Gain (Loss) [Line Items]
Interest benefit	3,720	5,108
Cross-currency interest rate swaps | Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange gain (loss)	$ 8,893	$ (10,031)