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ENVIRONMENTAL (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Environmental Remediation Obligations [Abstract]      
Reserves for future environmental expenditures - total $ 154.8 $ 146.7 $ 153.6
Reserves for future environmental expenditures - noncurrent 122.8 121.7 $ 121.6
Environmental Remediation Expense $ 5.8 $ 3.2