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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Long-term Debt Carrying Value and Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Carrying Value    
Debt Instrument    
Debt, fair value $ 853.3 $ 831.3
Fair Value    
Debt Instrument    
Debt, fair value $ 734.4 827.1
4.00% Senior Notes | Senior Notes    
Debt Instrument    
Interest rate (as a percentage) 4.00%  
4.00% Senior Notes | Carrying Value | Senior Notes    
Debt Instrument    
Debt, fair value $ 750.0 750.0
4.00% Senior Notes | Fair Value | Senior Notes    
Debt Instrument    
Debt, fair value 638.3 748.4
Real estate related | Carrying Value    
Debt Instrument    
Debt, fair value 103.3 81.3
Real estate related | Fair Value    
Debt Instrument    
Debt, fair value $ 96.1 $ 78.7