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FAIR VALUE MEASUREMENTS - Schedule of Changes in Fair Value of Contingent Consideration and Other Liability (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Change in fair value of contingent consideration liabilities (Note 7) Change in fair value of contingent consideration liabilities (Note 7)
Fair Value on a Recurring Basis | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value beginning balance $ 10.3 $ 40.2
Changes in fair value (5.3) 0.7
Fair value ending balance 5.0 40.9
Contingent Consideration | Fair Value on a Recurring Basis | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value beginning balance 0.0 26.2
Changes in fair value 0.0 0.7
Fair value ending balance 0.0 26.9
Other | Fair Value on a Recurring Basis | Level 3    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value beginning balance 10.3 14.0
Changes in fair value (5.3) 0.0
Fair value ending balance $ 5.0 $ 14.0