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Employee Benefit Plans (Components of Net Pension (Expense) Income) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Retirement Benefits [Abstract]      
Service cost $ 2.8 $ 3.4 $ 5.3
Interest cost 9.1 9.2 6.6
Expected return on plan assets (11.5) (10.9) (13.2)
Recognized net actuarial loss 1.1 1.3 2.5
Curtailments and settlements 0.7 0.0 0.0
Net pension expense $ 2.2 $ 3.0 $ 1.2
Weighted average assumptions for pension costs:      
Discount rate 4.80% 5.00% 2.50%
Rate of compensation increase 3.40% 3.40% 3.50%
Expected return on plan assets 6.40% 6.40% 6.00%
Weighted average assumptions for benefit obligation:      
Discount rate 5.30% 4.80% 5.00%
Rate of compensation increase 3.10% 3.40% 3.40%