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FAIR VALUE OF FINANCIAL INSTRUMENTS - Long Term Debt (Details) - Level 2 - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Carrying amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 300.9 $ 299.0
Estimated Fair Value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 307.9 $ 305.2