Goodwill (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019		Dec. 31, 2018
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	$ 2,624,690		$ 2,470,047
Acquisitions				211,301
Impairments and dispositions		571,561
Foreign currency translation adjustment		8,193		(56,658)
Goodwill, Ending balance		2,061,322	[2]	2,624,690	[1]
Goodwill, Impaired, Accumulated Impairment Loss		1,588,955		1,018,780
Global Components [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	1,437,501		1,264,869
Acquisitions				197,126
Impairments and dispositions		(570,175)
Foreign currency translation adjustment		16,170		(24,494)
Goodwill, Ending balance		883,496	[2]	1,437,501	[1]
Goodwill, Impaired, Accumulated Impairment Loss		1,287,100		716,925
Global ECS [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance	[1]	1,187,189		1,205,178
Acquisitions				14,175
Impairments and dispositions		(1,386)
Foreign currency translation adjustment		(7,977)		(32,164)
Goodwill, Ending balance		1,177,826	[2]	1,187,189	[1]
Goodwill, Impaired, Accumulated Impairment Loss		301,855		$ 301,855
Americas [Member] | Global Components [Member]
Goodwill [Roll Forward]
Goodwill, Ending balance		603,500
Goodwill, Impairment Loss		509,000
Goodwill, Impairment Loss, Net of Tax		457,806
Americas [Member] | Global ECS [Member]
Goodwill [Roll Forward]
Goodwill, Ending balance		787,400
Asia-Pacific [Member] | Global Components [Member]
Goodwill [Roll Forward]
Goodwill, Impairment Loss		61,175
Goodwill, Impairment Loss, Net of Tax		$ 61,175

[1] The total carrying value of goodwill of companies acquired as of December 31, 2018 and December 31, 2017 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.

[2] The total carrying value of goodwill of companies acquired as of December 31, 2019 in the table above is reflected net of $1,588,955 of accumulated impairment charges, of which $1,287,100 was recorded in the global components business segment and $301,855 was recorded in the global ECS business segment.