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FAIR VALUE MEASUREMENTS - Assets Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments $ 8.0 $ 40.4
Derivative asset 0.0 0.0
Derivative liability 0.0 0.0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments 0.0 0.5
Derivative asset 18.4 6.4
Derivative liability 18.4 8.9
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments 0.0 0.0
Derivative asset 0.0 0.0
Derivative liability $ 0.0 $ 0.0