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Pensions and Postretirement Benefits - Summary Company's Expected Future Benefit Payments (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2023 $ 6.5
2024 6.7
2025 6.6
2026 6.8
2027 6.9
2028 to 2032 32.9
Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2023 0.7
2024 0.6
2025 0.6
2026 0.6
2027 0.5
2028 to 2032 2.3
Postretirement Benefits | Gross  
Defined Benefit Plan Disclosure [Line Items]  
2023 0.8
2024 0.7
2025 0.7
2026 0.6
2027 0.5
2028 to 2032 2.5
Postretirement Benefits | Expected Medicare Subsidy  
Defined Benefit Plan Disclosure [Line Items]  
2023 0.1
2024 0.1
2025 0.1
2026 0.0
2027 0.0
2028 to 2032 $ 0.2