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ACCRUED LIABILITIES (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Accrued compensation and payroll taxes | $ 72.0 | $ 111.9
Non-income tax-related accruals | 52.5 | 51.4
Accrued interest | 35.8 | 35.6
Legal and professional costs | 27.0 | 41.6
Accrued employee benefits | 63.5 | 64.6
Contract liabilities (current portion only) | 34.5 | 41.1
Environmental (current portion only) | 32.0 | 25.0
Asset retirement obligation (current portion only) | 9.5 | 13.7
Restructuring reserves (current portion only) | 22.6 | 13.6
Derivative contracts | 31.9 | 42.5
Other | 68.7 | 67.8
Accrued liabilities | $ 450.0 | $ 508.8

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