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Project Summit - Restructuring Charges (Details) - USD ($) $ in Thousands | 12 Months Ended | 15 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 194,396 | $ 48,597 | $ 0 | $ 242,993
Employee severance costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 47,349 | 20,850 |  | 68,199
Professional fees and other costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 147,047 | 27,747 |  | 174,794
GLOBAL RIM BUSINESS |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 67,140 | 21,900 |  | 89,040
GLOBAL DATA CENTER BUSINESS |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | 1,632 | 306 |  | 1,938
CORPORATE AND OTHER BUSINESS |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 125,624 | $ 26,391 |  | $ 152,015

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