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Derivatives and Fair Value Measurements - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2025
AUD ($)
$ / $
Mar. 31, 2025
USD ($)
$ / $
Dec. 31, 2024
USD ($)
Fair Value, Inputs, Level 1, 2 and 3          
Derivatives, Fair Value [Line Items]          
Transfers Between Fair Value Measurement Hierarchy Levels $ 0.0 $ 0.0      
Foreign Exchange Contract [Member]          
Derivatives, Fair Value [Line Items]          
Notional amount     $ 449,000,000.0    
Foreign Exchange Contract [Member] | Minimum          
Derivatives, Fair Value [Line Items]          
Derivative, exchange rate cap (in dollars per share) | $ / $     0.67 0.67  
Foreign Exchange Contract [Member] | Maximum          
Derivatives, Fair Value [Line Items]          
Derivative, exchange rate cap (in dollars per share) | $ / $     0.74 0.74  
Foreign Exchange Contract [Member] | Designated as Hedging Instrument          
Derivatives, Fair Value [Line Items]          
Derivative Asset, Fair Value, Gross Asset       $ 0.8  
Derivative Liability, Fair Value Gross         $ 3.6
Coal derivative contracts related to forecasted sales          
Derivatives, Fair Value [Line Items]          
Notional amount     $ 0    
Foreign Exchange Option          
Derivatives, Fair Value [Line Items]          
Notional amount     $ 540,000,000    
Foreign Exchange Option | Minimum          
Derivatives, Fair Value [Line Items]          
Derivative, Floor Price     0.57    
Derivative, Cap Price     0.66    
Foreign Exchange Option | Maximum          
Derivatives, Fair Value [Line Items]          
Derivative, Floor Price     0.62    
Derivative, Cap Price     0.73