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Employee Retirement Benefits - Estimated Future Benefit Payments (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Pension  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2023 $ 8.3
2024 9.3
2025 10.2
2026 11.7
2027 12.9
2028-2032 69.0
Total expected future benefit payments 121.4
Postretirement  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2023 0.1
2024 0.1
2025 0.1
2026 0.1
2027 0.1
2028-2032 0.3
Total expected future benefit payments $ 0.8