Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS - Net Amounts Recognized, or Funded Status of Pension and Other Postretirement Benefit Plans (Details)

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BENEFIT PLANS - Net Amounts Recognized, or Funded Status of Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Amounts recognized in the statements of financial position consist of:    
Long-term liabilities $ (106.7) $ (100.1)
Pension Benefits    
Amounts recognized in the statements of financial position consist of:    
Noncurrent assets 0.0 0.0
Current liabilities (7.1) (6.7)
Long-term liabilities (102.8) (95.9)
Funded status of plan (109.9) (102.6)
Other Benefits    
Amounts recognized in the statements of financial position consist of:    
Noncurrent assets 2.2 0.9
Current liabilities (0.1) (0.1)
Long-term liabilities (1.1) (1.2)
Funded status of plan $ 1.0 $ (0.4)