Derivative Financial Instruments (Details 1) - USD ($) $ in Millions	Jul. 31, 2024	Apr. 30, 2024
Other Current Assets [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	$ 25.5	$ 37.7
Other Current Liabilities [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	42.5	9.4
Other Noncurrent Assets [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	0.0	0.0
Other Noncurrent Liabilities [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	0.0	0.1
Commodity contracts \| Other Current Assets [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	24.0	35.8
Commodity contracts \| Other Current Liabilities [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	42.5	9.3
Commodity contracts \| Other Noncurrent Assets [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	0.0	0.0
Commodity contracts \| Other Noncurrent Liabilities [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	0.0	0.1
Foreign currency exchange contracts \| Other Current Assets [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	1.5	1.9
Foreign currency exchange contracts \| Other Current Liabilities [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	0.0	0.1
Foreign currency exchange contracts \| Other Noncurrent Assets [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Assets	0.0	0.0
Foreign currency exchange contracts \| Other Noncurrent Liabilities [Member] \| Not designated as hedging instruments [Member]
Fair value of derivative instruments [Line Items]
Derivatives Instruments, Liabilities	$ 0.0	$ 0.0