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ACQUISITIONS - Cboe Canada (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Jun. 01, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Acquisitions |  |  |  |
Goodwill |  |  |  | $ 592.5
Contingent consideration | $ (11.8) |  | $ (11.8) | (39.1)
Goodwill, Total adjustments |  |  |  | $ 4.4
Cboe Canada |  |  |  |
Acquisitions |  |  |  |
Goodwill | 132.6 | $ 132.4 |  |
Intangible assets | 69.1 | 130.1 | 69.1 |
Net working capital | 9.7 | (6.9) | 9.7 |
Contingent consideration | $ (10.1) | $ (54.3) | (10.1) |
Goodwill, Total adjustments |  |  | 0.2 |
Intangible assets, Total Adjustments |  |  | (61.0) |
Net working capital, Total adjustments |  |  | 16.6 |
Contingent consideration, Total adjustments |  |  | $ 44.2 |

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