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Investments in Non-Consolidated Companies - MWSPC Joint Venture (Details) - USD ($)
$ in Millions
12 Months Ended
Jul. 01, 2016
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Schedule of Equity Method Investments        
Equity in net earnings of nonconsolidated companies   $ 60.3 $ 196.0 $ 7.8
Percentage Of Total Production Expected To Market   25.00%    
Investments in nonconsolidated companies   $ 909.0 885.9  
Equity Method Investee | MWSPC        
Schedule of Equity Method Investments        
Payments to Acquire Equity Method Investments $ 120.0      
Proportion of assets represented by MWSPC   77.00%    
Proportion of liabilities represented by MWSPC   68.00%    
Equity in net earnings of nonconsolidated companies   $ 57.6 $ 194.5 $ 5.0
Percentage Of Total Production Expected To Market   25.00%    
Investments in nonconsolidated companies   $ 770.0