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Summary of Significant Accounting Policies Significant Accounting Policies (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 28, 2020 | Jun. 29, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on investments, net | $ 16,810 |  | $ 5,348 |  | $ 11,831 |  | $ (14,166) |
Goodwill |  |  | 2,115,469 | [1] | 2,061,322 | [1] | 2,624,690 | [2]
Selling, General and Administrative Expense |  |  | 2,087,050 |  | 2,191,612 |  | 2,303,051 |
Global Components [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | 894,975 | [1] | 883,496 | [1] | 1,437,501 | [2]
Global ECS [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 1,220,494 | [1] | 1,177,826 | [1] | 1,187,189 | [2]
Customer Concentration Risk [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 2.00% |  |  |  |  |
Other Supplier Concentration Risk [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 7.00% |  |  |  |  |
Supplier Concentration Risk [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  | 14.00% |  |  |  |  |
Americas [Member] | Global Components [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill, Impairment Loss |  | $ 509,000 |  |  |  |  |  |
Goodwill, Impairment Loss, Net of Tax |  | 457,806 |  |  |  |  |  |
Goodwill |  | 600,000 | $ 607,315 |  |  |  |  |
Americas [Member] | Global ECS [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 787,675 |  |  |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 175.00% |  |  |  |  |
EMEA [Member] | Global Components [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 90,463 |  |  |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 175.00% |  |  |  |  |
EMEA [Member] | Global ECS [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 432,819 |  |  |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 175.00% |  |  |  |  |
Asia-Pacific [Member] | Global Components [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill, Impairment Loss |  | 61,175 |  |  |  |  |  |
Goodwill, Impairment Loss, Net of Tax |  | $ 61,175 |  |  |  |  |  |
e-Infochips [Member] | Global Components [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  | $ 197,197 |  |  |  |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  |  | 10.00% |  |  |  |  |
Shipping and Handling [Member] |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Selling, General and Administrative Expense |  |  | $ 95,634 |  | $ 97,227 |  | $ 103,553 |
[1] | 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.
[2] | 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.

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