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Project Summit - Restructuring Charges (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 24 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | $ 50,432 | $ 48,371 | $ 129,686 | $ 128,715 | $ 372,679
GLOBAL RIM BUSINESS |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 11,362 | 16,183 | 27,528 | 37,245 | 116,568
GLOBAL DATA CENTER BUSINESS |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 1,285 | 296 | 2,922 | 986 | 4,860
Corporate and Other Business |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 37,785 | 31,892 | 99,236 | 90,484 | 251,251
Employee severance costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 6,797 | 13,579 | 14,526 | 31,229 | 82,725
Professional fees and other costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | $ 43,635 | $ 34,792 | $ 115,160 | $ 97,486 | $ 289,954

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