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Divestitures and Assets Held for Sale - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Aug. 24, 2020
Discontinued Operations and Disposal Groups [Abstract]        
Disposal Group, Including Discontinued Operation, Consideration       $ 60.5
Disposal Group Including Discontinued Operation Cash Proceeds   $ 64.1    
Proceeds from Sale of Productive Assets $ 4.7      
Assets Held-for-sale, Not Part of Disposal Group     $ 4.6