Segment information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 743,259	$ 704,542	$ 1,454,191	$ 1,346,257
Operating profit	143,561	135,157	258,535	238,693
Operating segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	176,327	166,522	328,753	300,857
Unallocated expenses
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	(32,766)	(31,365)	(70,218)	(62,164)
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	424,644	412,740	836,508	790,701
Americas | Operating segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	116,303	114,467	214,921	211,368
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	147,809	145,190	291,149	282,098
EMEA | Operating segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	13,097	12,725	25,868	21,819
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	86,678	76,609	165,409	145,799
Asia | Operating segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	23,148	21,494	44,148	38,911
OEM
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	84,128	70,003	161,125	127,659
OEM | Operating segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	$ 23,779	$ 17,836	$ 43,816	$ 28,759