Goodwill (Details) $ in Thousands	6 Months Ended
	Jul. 01, 2017 USD ($)
Goodwill [Roll Forward]
December 31, 2016	$ 2,392,220	[1]
Acquisitions and related adjustments	5,085
Foreign currency translation adjustment	49,559
July 1, 2017	2,446,864	[1]
Goodwill, Impaired, Accumulated Impairment Loss	1,018,780
Global Components [Member]
Goodwill [Roll Forward]
December 31, 2016	1,239,741	[1]
Acquisitions and related adjustments	(102)
Foreign currency translation adjustment	12,113
July 1, 2017	1,251,752	[1]
Goodwill, Impaired, Accumulated Impairment Loss	716,925
Global ECS [Member]
Goodwill [Roll Forward]
December 31, 2016	1,152,479	[1]
Acquisitions and related adjustments	5,187
Foreign currency translation adjustment	37,446
July 1, 2017	1,195,112	[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.