Cost in Excess of Net Assets of Companies Acquired - Goodwill (Details) - Jun. 27, 2015 - USD ($) $ in Thousands		Total
Goodwill [Roll Forward]
December 31, 2014	[1]	$ 2,069,209
Acquisitions		311,444
Foreign currency translation adjustment		(39,181)
June 27, 2015	[1]	2,341,472
Goodwill, Impaired, Accumulated Impairment Loss		1,018,780
Global Components [Member]
Goodwill [Roll Forward]
December 31, 2014	[1]	1,051,783
Acquisitions		156,839
Foreign currency translation adjustment		75
June 27, 2015	[1]	1,208,697
Goodwill, Impaired, Accumulated Impairment Loss		716,925
Global ECS [Member]
Goodwill [Roll Forward]
December 31, 2014	[1]	1,017,426
Acquisitions		154,605
Foreign currency translation adjustment		(39,256)
June 27, 2015	[1]	1,132,775
Goodwill, Impaired, Accumulated Impairment Loss		$ 301,855

[1] The total carrying value of cost in excess of net assets of companies acquired 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.