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Schedule of Employee Benefit Plans Components of Net Periodic Benefit Cost (Credit) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Pension Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost $ 0.1 $ 0.3
Interest cost 6.0 5.8
Expected asset return (6.4) (7.2)
Amortized loss (gain) 2.1 1.7
Net periodic benefit cost 1.8 0.6
Other Postretirement Benefits Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost 0.0 0.0
Interest cost 2.3 2.1
Amortized loss (gain) (2.3) (2.5)
Amortized prior service credit (0.2) (0.1)
Net periodic benefit credit $ (0.2) $ (0.5)