Derivative Financial Instruments (Details 4) - Cash Flow Hedging [Member] - USD ($) $ in Millions		3 Months Ended
		Jul. 31, 2025	Jul. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in other comprehensive income (loss)		$ 0.0	$ 0.0
Change in accumulated other comprehensive income (loss)		3.1	3.4
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified from accumulated other comprehensive income (loss)	[1]	$ (3.1)	$ (3.4)

[1] Interest expense – net, as presented in the Condensed Statements of Consolidated Income (Loss) was $100.2 and $100.4 for the three months ended July 31, 2025 and 2024, respectively. The reclassification includes terminated contracts which were designated as cash flow hedges.