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Commitments and Contingencies - Activity (Details)
$ in Millions
9 Months Ended
Sep. 30, 2023
USD ($)
Environmental Liabilities Associated with Remediation [Roll Forward]  
Balance at December 31, 2022 $ 24.3
Charges, net of reversals 0.4
Payments (1.6)
Balance at September 30, 2023 $ 23.1