Goodwill (Details) $ in Thousands	9 Months Ended
	Oct. 01, 2016 USD ($)
Goodwill [Roll Forward]
December 31, 2015	$ 2,368,832	[1]
Acquisitions and related adjustments	60,354
Foreign currency translation adjustment	12,660
October 1, 2016	2,441,846	[1]
Goodwill, Impaired, Accumulated Impairment Loss	1,018,780
Global Components [Member]
Goodwill [Roll Forward]
December 31, 2015	1,230,832	[1]
Acquisitions and related adjustments	20,740
Foreign currency translation adjustment	4,018
October 1, 2016	1,255,590	[1]
Goodwill, Impaired, Accumulated Impairment Loss	716,925
Global ECS [Member]
Goodwill [Roll Forward]
December 31, 2015	1,138,000	[1]
Acquisitions and related adjustments	39,614
Foreign currency translation adjustment	8,642
October 1, 2016	1,186,256	[1]
Goodwill, Impaired, Accumulated Impairment Loss	$ 301,855

[1] The total carrying value of goodwill for all periods in the table above is reflected net of $1,018,780 of accumulated impairment charges, of which $716,925 was recorded in the global components business segment and $301,855 was recorded in the global ECS business segment.