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FAIR VALUE MEASUREMENT - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2024 | May 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Segment Reporting Information |  |  |  |  |  |  |
Contingent consideration liabilities | $ 1.8 |  | $ 1.8 |  | $ 1.8 |  | $ 11.8
Other (expense) income, net |  |  | (13.1) | $ 1.6 | (8.5) | $ 1.7 |
Loss on settlement of contingent consideration |  |  |  |  | 3.0 |  |
Cboe Digital Restricted Common Units |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |
Other (expense) income, net |  |  | (0.3) |  |  |  |
Cboe Asia Pacific |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |
Payment of contingent consideration |  |  | 10.0 |  |  |  |
Loss on settlement of contingent consideration | (2.7) |  |  |  | 3.0 |  |
Cboe Canada |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |
Contingent consideration liabilities | 1.8 |  | 1.8 |  | 1.8 |  |
Cboe Japan |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |
Payment of contingent consideration |  | $ 5.7 |  |  |  |  |
Recurring |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |
Contingent consideration liabilities | $ 1.8 |  | $ 1.8 |  | $ 1.8 |  | $ 11.8

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