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FAIR VALUE MEASUREMENT - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Segment Reporting Information |  |  |
Contingent consideration liabilities | $ 53.3 |  | $ 70.5
Payment of contingent consideration liabilities | 17.4 | $ 0.8 |
Chi-X Asia Pacific |  |  |
Segment Reporting Information |  |  |
Payment of contingent consideration liabilities | 17.4 |  |
Recurring |  |  |
Segment Reporting Information |  |  |
Contingent consideration liabilities | $ 53.3 |  | $ 70.5

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