Segment information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 704,542	$ 713,473	$ 1,346,257	$ 1,347,398
Operating profit	135,157	128,620	238,693	232,054
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	166,522	167,130	300,857	301,205
Unallocated expenses
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	(31,365)	(38,510)	(62,164)	(69,151)
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	412,740	414,785	790,701	790,278
Americas | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	114,467	105,379	211,368	188,981
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	145,190	157,129	282,098	298,382
EMEA | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	12,725	23,301	21,819	46,296
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	76,609	80,603	145,799	144,293
Asia | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	21,494	23,188	38,911	38,104
OEM
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	70,003	60,956	127,659	114,445
OEM | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	$ 17,836	$ 15,262	$ 28,759	$ 27,824