Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	$ 2,368,832	$ 2,069,209
Acquisitions		57,154	362,051
Foreign currency translation adjustment		(33,766)	(62,428)
Goodwill, Ending balance	[1]	2,392,220	2,368,832
Goodwill, Impaired, Accumulated Impairment Loss		1,018,780
Global components [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	1,230,832	1,051,783
Acquisitions		20,724	187,977
Foreign currency translation adjustment		(11,815)	(8,928)
Goodwill, Ending balance	[1]	1,239,741	1,230,832
Goodwill, Impaired, Accumulated Impairment Loss		716,925
Global ECS [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	1,138,000	1,017,426
Acquisitions		36,430	174,074
Foreign currency translation adjustment		(21,951)	(53,500)
Goodwill, Ending balance	[1]	1,152,479	$ 1,138,000
Goodwill, Impaired, Accumulated Impairment Loss		$ 301,855

[1] The total carrying value of goodwill 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.