Net revenues - Other revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2025	Mar. 31, 2024
Revenue, Major Customer [Line Items]
Net revenues	$ 700,669	$ 737,849
Vascular access
Revenue, Major Customer [Line Items]
Net revenues	182,367	181,354
Interventional
Revenue, Major Customer [Line Items]
Net revenues	137,559	134,665
Anesthesia
Revenue, Major Customer [Line Items]
Net revenues	86,594	96,352
Surgical
Revenue, Major Customer [Line Items]
Net revenues	105,785	105,524
Interventional urology
Revenue, Major Customer [Line Items]
Net revenues	70,967	79,742
OEM
Revenue, Major Customer [Line Items]
Net revenues	63,884	87,697
Other
Revenue, Major Customer [Line Items]
Net revenues	$ 53,513	$ 52,515