Revenues - Location of Customer (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 463,526	$ 500,140
Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	212,213	207,083
Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	251,313	293,057
Americas
Disaggregation of Revenue [Line Items]
Revenues	311,829	331,804
Americas | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	155,429	146,821
Americas | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	156,400	184,983
EMEA
Disaggregation of Revenue [Line Items]
Revenues	101,828	107,451
EMEA | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	35,862	34,136
EMEA | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	65,966	73,315
APAC
Disaggregation of Revenue [Line Items]
Revenues	49,869	60,885
APAC | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	20,922	26,126
APAC | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	$ 28,947	$ 34,759