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Revenues - Location of Customer (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 424,811	$ 548,352	$ 888,337	$ 1,048,492
Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	203,374	245,325	415,587	452,408
Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	221,437	303,027	472,750	596,084
Americas
Disaggregation of Revenue [Line Items]
Revenues	279,484	362,540	591,313	694,344
Americas | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	154,844	178,612	310,273	325,433
Americas | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	124,640	183,928	281,040	368,911
EMEA
Disaggregation of Revenue [Line Items]
Revenues	83,410	114,026	185,238	221,477
EMEA | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	26,150	36,622	62,012	70,758
EMEA | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	57,260	77,404	123,226	150,719
APAC
Disaggregation of Revenue [Line Items]
Revenues	61,917	71,786	111,786	132,671
APAC | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	22,380	30,091	43,302	56,217
APAC | Industrial Solutions
Disaggregation of Revenue [Line Items]
Revenues	$ 39,537	$ 41,695	$ 68,484	$ 76,454

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