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Pension Plans (Components of Net Periodic Pension Cost) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Retirement Benefits [Abstract]      
Defined Benefit Plan, Type [Extensible List] us-gaap:PensionPlansDefinedBenefitMember us-gaap:PensionPlansDefinedBenefitMember us-gaap:PensionPlansDefinedBenefitMember
Interest cost $ 20.5 $ 20.4 $ 21.9
Expected return on plan assets $ (19.0) $ (20.3) $ (22.1)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Cost and Expense, Operating Other Cost and Expense, Operating Other Cost and Expense, Operating
Recognized net actuarial loss $ 6.5 $ 6.7 $ 7.8
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Cost and Expense, Operating Other Cost and Expense, Operating Other Cost and Expense, Operating
Net periodic pension cost $ 8.0 $ 6.8 $ 7.6