Restructuring and other strategic initiatives - Narratives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Restructuring Cost and Reserve
Restructuring expenses	$ 2.2	$ 2.6	$ 5.0	$ 10.3
Employee Relocation
Restructuring Cost and Reserve
Restructuring expenses	1.0	$ 0.3	$ 2.5
Employee Relocation \| North America
Restructuring Cost and Reserve
Restructuring expenses	$ 1.0

- Definition

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