Goodwill (Details) $ in Thousands	3 Months Ended
	Apr. 01, 2017 USD ($)
Goodwill [Roll Forward]
December 31, 2016	$ 2,392,220	[1]
Acquisitions and related adjustments	(102)
Foreign currency translation adjustment	13,042
April 1, 2017	2,405,160	[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	4,050
April 1, 2017	1,243,689	[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	0
Foreign currency translation adjustment	8,992
April 1, 2017	1,161,471	[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.