v3.25.4
Pension and Postretirement Benefits (Schedule Of Amounts Recognized In Accumulated Other Comprehensive (Income) Loss) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) $ 281.8 $ 315.6
Prior service cost (credit) 6.6 6.3
Total recognized in accumulated other comprehensive loss 288.4 321.9
Postretirement Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Net actuarial loss (gain) (1.8) (2.4)
Prior service cost (credit) 0.0 0.0
Total recognized in accumulated other comprehensive loss $ (1.8) $ (2.4)