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Benefit Plans, Estimated Future Benefit Payments (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Pension Benefits [Member]  
Estimated future benefit payments [Abstract]  
2022 $ 24.1
2023 25.9
2024 26.3
2025 26.1
2026 26.6
2027-2031 130.0
Post-Retirement Benefits [Member]  
Estimated future benefit payments [Abstract]  
2022 0.2
2023 0.2
2024 0.2
2025 0.2
2026 0.2
2027-2031 $ 0.8