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Employee Benefit Plans (Expected Future Minimum Payments) (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Pension plan  
Defined Benefit Plan Disclosure [Line Items]  
2022 $ 53.2
2023 51.6
2024 51.8
2025 52.2
2026 52.5
2027 through 2031 279.1
Total 540.4
Postretirement benefits  
Defined Benefit Plan Disclosure [Line Items]  
2022 1.5
2023 1.6
2024 1.6
2025 1.6
2026 1.6
2027 through 2031 7.5
Total $ 15.4