v3.26.1
Derivative Financial Instruments (Details 1) - USD ($)
$ in Millions
Apr. 30, 2026
Apr. 30, 2025
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets $ 32.2 $ 82.3
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets 0.0 0.0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities 11.4 20.2
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities 0.0 0.0
Commodity contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets 32.0 81.5
Commodity contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets 0.0 0.0
Commodity contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities 11.0 18.7
Commodity contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities 0.0 0.0
Foreign currency exchange contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets 0.2 0.8
Foreign currency exchange contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Assets 0.0 0.0
Foreign currency exchange contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities 0.4 1.5
Foreign currency exchange contracts | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Not designated as hedging instruments    
Fair value of derivative instruments [Line Items]    
Derivatives Instruments, Liabilities $ 0.0 $ 0.0