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Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Roll Forward] |  |  |  |  |  |
Goodwill, Beginning balance |  | $ 2,470,047 | [1] | $ 2,392,220 | [2] |
Acquisitions |  | 211,301 |  | 6,149 |  |
Loss on disposition of businesses, net |  | 0 |  | (7,922) |  |
Foreign currency translation adjustment |  | (56,658) |  | 79,600 |  |
Goodwill, Ending balance | [1] | 2,624,690 |  | 2,470,047 |  |
Goodwill, Impaired, Accumulated Impairment Loss |  | 1,026,702 |  |  |  | $ 1,018,780
Global Components [Member] |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Goodwill, Beginning balance |  | 1,264,869 | [1] | 1,239,741 | [2] |
Acquisitions |  | 197,126 |  | 6,149 |  |
Loss on disposition of businesses, net |  | 0 |  | 0 |  |
Foreign currency translation adjustment |  | (24,494) |  | 18,979 |  |
Goodwill, Ending balance | [1] | 1,437,501 |  | 1,264,869 |  |
Goodwill, Impaired, Accumulated Impairment Loss |  | 716,925 |  |  |  |
Global ECS [Member] |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |
Goodwill, Beginning balance |  | 1,205,178 | [1] | 1,152,479 | [2] |
Acquisitions |  | 14,175 |  | 0 |  |
Loss on disposition of businesses, net |  | 0 |  | (7,922) |  |
Foreign currency translation adjustment |  | (32,164) |  | 60,621 |  |
Goodwill, Ending balance | [1] | 1,187,189 |  | $ 1,205,178 |  |
Goodwill, Impaired, Accumulated Impairment Loss |  | $ 309,777 |  |  |  | $ 301,855
[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 $1,026,702 of accumulated impairment charges, of which $716,925 was recorded in the global components business segment and $309,777 was recorded in the global ECS business segment.
[2] | The total carrying value of goodwill of companies acquired as of December 31, 2016 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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