Goodwill (Details) - USD ($) $ in Thousands		6 Months Ended		12 Months Ended
		Jun. 29, 2019		Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Goodwill [Roll Forward]
Goodwill, Beginning balance		$ 2,624,690	[1]	$ 2,061,322	[2]	$ 2,624,690	[1]
Impairments and dispositions						(571,561)
Foreign currency translation adjustment				54,147		8,193
Goodwill, Ending balance	[2]			2,115,469		2,061,322
Goodwill, Impaired, Accumulated Impairment Loss				1,588,955		1,588,955		$ 1,018,780
Global Components [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance		1,437,501	[1]	883,496	[2]	1,437,501	[1]
Impairments and dispositions						(570,175)
Foreign currency translation adjustment				11,479		16,170
Goodwill, Ending balance	[2]			894,975		883,496
Goodwill, Impaired, Accumulated Impairment Loss				1,287,100		1,287,100		716,925
Global ECS [Member]
Goodwill [Roll Forward]
Goodwill, Beginning balance		1,187,189	[1]	1,177,826	[2]	1,187,189	[1]
Impairments and dispositions						(1,386)
Foreign currency translation adjustment				42,668		(7,977)
Goodwill, Ending balance	[2]			1,220,494		1,177,826
Goodwill, Impaired, Accumulated Impairment Loss				301,855		$ 301,855		$ 301,855
Americas [Member] | Global Components [Member]
Goodwill [Roll Forward]
Goodwill, Ending balance		600,000		607,315
Goodwill, Impairment Loss		509,000
Goodwill, Impairment Loss, Net of Tax		457,806
Americas [Member] | Global ECS [Member]
Goodwill [Roll Forward]
Goodwill, Ending balance				$ 787,675
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 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, 2020 and 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.