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Derivatives and Fair Value Measurements - Derivatives by Balance Sheet Classification (Details) - Designated as Hedging Instrument - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Asset Derivative    
Asset Derivative, Fair Value, Gross $ 6.2 $ 115.3
Effect of counterparty netting 0.0 (100.6)
Variation margin (received) posted 0.0 (11.7)
Net derivatives and variation margin as classified in the balance sheets 6.2 3.0
Liability Derivative    
Liability Derivatives, Fair Value, Gross 0.0 (310.3)
Effect of counterparty netting 0.0 100.6
Variation margin (received) posted 0.0 209.7
Net derivatives and variation margin as classified in the balance sheets 0.0 0.0
Foreign currency option contracts    
Asset Derivative    
Asset Derivative, Fair Value, Gross 6.2 3.0
Liability Derivative    
Liability Derivatives, Fair Value, Gross 0.0 0.0
Derivative contracts related to forecasted sales    
Asset Derivative    
Asset Derivative, Fair Value, Gross 0.0 100.6
Liability Derivative    
Liability Derivatives, Fair Value, Gross 0.0 (310.3)
Financial trading contracts    
Asset Derivative    
Asset Derivative, Fair Value, Gross 0.0 11.7
Liability Derivative    
Liability Derivatives, Fair Value, Gross $ 0.0 $ 0.0