Net revenues - Other revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Sep. 25, 2022	Oct. 01, 2023	Sep. 25, 2022
Revenue, Major Customer [Line Items]
Net revenues	$ 746,389	$ 686,788	$ 2,200,580	$ 2,033,045
Vascular access
Revenue, Major Customer [Line Items]
Net revenues	169,919	167,147	521,356	497,188
Anesthesia
Revenue, Major Customer [Line Items]
Net revenues	97,612	97,608	291,786	289,260
Interventional
Revenue, Major Customer [Line Items]
Net revenues	134,089	108,738	375,766	319,939
Surgical
Revenue, Major Customer [Line Items]
Net revenues	112,805	93,124	317,781	282,468
Interventional urology
Revenue, Major Customer [Line Items]
Net revenues	73,622	78,969	226,819	233,682
OEM
Revenue, Major Customer [Line Items]
Net revenues	82,309	71,288	243,434	198,947
Other
Revenue, Major Customer [Line Items]
Net revenues	$ 76,033	$ 69,914	$ 223,638	$ 211,561