Derivative Financial Instruments (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Apr. 30, 2025
Derivative Financial Instruments (Textual) [Abstract]
Collateral pledged	$ 90.3		$ 90.3
Collateral received					$ 37.5
Cumulative net mark-to-market valuation of certain derivative positions recognized in unallocated derivative gains (losses)	(69.3)		(69.3)		80.8
Interest expense – net	$ (98.6)	$ (98.7)	$ (198.8)	$ (199.1)
Commodity contracts
Derivative Financial Instruments (Textual) [Abstract]
Derivative instrument maturity	1 year		1 year
Foreign currency exchange contracts
Derivative Financial Instruments (Textual) [Abstract]
Derivative instrument maturity	1 year		1 year
Interest rate contracts
Derivative Financial Instruments (Textual) [Abstract]
Deferred Gain (Loss) on Cash Flow Hedges Included in Accumulated Other Comprehensive Income or Loss	$ (111.1)		$ (111.1)		(117.4)
Tax impact related to deferred losses and gains on cash flow hedges included in accumulated other comprehensive loss	$ 25.8		25.8		$ 27.3
Effective portion of the hedge loss reclassified to interest expense over the next twelve months			$ (12.5)