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Discontinued Operations (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Payments for (Proceeds from) Removal Costs $ (16.0) $ (14.7)
Subsidiaries [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Payments for (Proceeds from) Removal Costs $ (16.0) $ (14.5)