ACCRUED ENVIRONMENTAL REMEDIATION COSTS (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
ACCRUED ENVIRONMENTAL REMEDIATION COSTS [Abstract]
Long-term portion of accrued environmental remediation costs	$ 28.0	$ 14.9
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities Noncurrent	Other Liabilities Noncurrent