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Discontinued Operations - Carrying Amount of Assets and Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Current assets:    
Current assets held for sale $ 0.0 $ 12.2
Current liabilities:    
Current liabilities held for sale $ 0.0 4.0
Discontinued operations disposed of by sale | Plamenca    
Current assets:    
Assets for relevant jurisdictions   12.2
Current assets held for sale   12.2
Current liabilities:    
Liabilities for relevant jurisdictions   4.0
Current liabilities held for sale   $ 4.0