Derivative Financial Instruments (Details 3) - USD ($) $ in Millions	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Price Risk Derivatives [Abstract]
Net derivative gains (losses) recognized and classified as unallocated	$ (227.1)	$ (29.8)
Less: Net derivatives gains (losses) reclassified to segment operating profit	26.0	0.2
Change in net cumulative unallocated derivative gains and losses	$ (253.1)	$ (30.0)