Net revenues - Other revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Revenue, Major Customer [Line Items]
Net revenues	$ 743,259	$ 704,542	$ 1,454,191	$ 1,346,257
Vascular access
Revenue, Major Customer [Line Items]
Net revenues	173,785	163,907	351,437	330,041
Anesthesia
Revenue, Major Customer [Line Items]
Net revenues	100,842	104,695	194,174	191,652
Interventional
Revenue, Major Customer [Line Items]
Net revenues	124,780	114,342	241,677	211,201
Surgical
Revenue, Major Customer [Line Items]
Net revenues	105,953	99,642	204,976	189,344
Interventional urology
Revenue, Major Customer [Line Items]
Net revenues	77,819	79,818	153,197	154,713
OEM
Revenue, Major Customer [Line Items]
Net revenues	84,128	70,003	161,125	127,659
Other
Revenue, Major Customer [Line Items]
Net revenues	$ 75,952	$ 72,135	$ 147,605	$ 141,647