Segment and Geographic Information - Geographic Sales & PP&E (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 30, 2019	Mar. 31, 2018	Dec. 31, 2018
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[1]	$ 7,155,991	$ 6,875,613
Property, plant, and equipment, net		819,604		$ 824,700
Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant, and equipment, net	[2]	659,608		673,228
EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant, and equipment, net		119,105		110,996
Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Property, plant, and equipment, net		40,891		40,476
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		2,782,035	2,649,668
Property, plant, and equipment, net		656,736		$ 670,201
Global Components [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		5,191,927	4,929,932
Global Components [Member] | Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		1,907,029	1,796,698
Global Components [Member] | EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[3]	1,503,366	1,478,386
Global Components [Member] | Asia Pacific [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		1,781,532	1,654,848
Global ECS [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		1,964,064	1,945,681
Global ECS [Member] | Americas [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales		1,200,907	1,195,411
Global ECS [Member] | EMEA [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Sales	[3]	$ 763,157	$ 750,270

[1] Includes sales related to the United States of $2,782,035 and $2,649,668 for the first quarter of 2019 and 2018, respectively.

[2] Includes net property, plant, and equipment related to the United States of $656,736 and $670,201 at March 30, 2019 and December 31, 2018, respectively.

[3] Defined as Europe, the Middle East, and Africa.