Net revenues - Other revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Revenue, Major Customer [Line Items]
Net revenues	$ 780,889	$ 749,691	$ 1,481,558	$ 1,487,540
Vascular access
Revenue, Major Customer [Line Items]
Net revenues	185,531	181,105	367,898	362,459
Interventional
Revenue, Major Customer [Line Items]
Net revenues	170,019	141,157	307,578	275,822
Anesthesia
Revenue, Major Customer [Line Items]
Net revenues	96,386	102,491	182,980	198,843
Surgical
Revenue, Major Customer [Line Items]
Net revenues	114,042	111,304	219,827	216,828
Interventional urology
Revenue, Major Customer [Line Items]
Net revenues	76,388	83,104	147,355	162,846
OEM
Revenue, Major Customer [Line Items]
Net revenues	78,675	88,825	142,559	176,522
Other
Revenue, Major Customer [Line Items]
Net revenues	$ 59,848	$ 41,705	$ 113,361	$ 94,220