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Pension and Other Post-Retirement Benefits - Balance Sheets Presentation (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]    
Current liabilities $ (1.1) $ (1.1)
Non-current liabilities (9.9) (13.7)
AOCI $ (2.1) $ 0.7