Segment information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 641,715	$ 633,925
Operating profit	103,536	103,434
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	134,335	134,075
Unallocated expenses
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	(30,799)	(30,641)
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	377,961	375,493
Americas | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	96,901	83,602
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	136,908	141,253
EMEA | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	9,094	22,995
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	69,190	63,690
Asia | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	17,417	14,916
OEM
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	57,656	53,489
OEM | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating profit	$ 10,923	$ 12,562