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Non-operating Income (Expense) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Nonoperating Income (Expense) [Abstract]    
Interest Expense $ (7.6) $ (8.2)
Amortization of Debt Issuance Costs (0.3) (0.4)
Interest Income, Other 0.3 0.0
Interest Expense, Net (7.6) (8.6)
Gain (Loss) on Extinguishment of Debt 0.0 (0.2)
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component 0.1 (1.4)
Total non-operating expense $ (7.5) $ (10.3)