Segment and Geographic Information (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015	Dec. 31, 2015
Sales:
Sales		$ 5,936,092	$ 5,698,304	$ 17,382,370	$ 16,530,678
Operating income (loss):
Operating income (loss)		198,684	185,794	603,640	570,171
Restructuring, integration, and other charges		24,267	17,756	61,161	51,099
Assets		13,138,043		13,138,043		$ 13,021,930
Global Components [Member]
Sales:
Sales		3,904,447	3,692,051	11,413,348	10,736,989
Operating income (loss):
Operating income (loss)		175,507	164,744	524,662	499,456
Assets		8,153,392		8,153,392		7,276,143
Global ECS [Member]
Sales:
Sales		2,031,645	2,006,253	5,969,022	5,793,689
Operating income (loss):
Operating income (loss)		96,181	84,233	283,792	250,144
Assets		4,241,577		4,241,577		5,074,529
Corporate Segment [Member]
Operating income (loss):
Operating income (loss)	[1]	(73,004)	$ (63,183)	(204,814)	$ (179,429)
Assets		$ 743,074		$ 743,074		$ 671,258

[1] Includes restructuring, integration, and other charges of $24,267 and $61,161 for the third quarter and first nine months of 2016 and $17,756 and $51,099 for the third quarter and first nine months of 2015, respectively.