Derivative Financial Instruments (Details 4) - Cash Flow Hedging [Member] - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in other comprehensive income (loss)		$ 0.0	$ 0.0	$ 0.0	$ 0.0
Change in accumulated other comprehensive income (loss)		3.2	3.4	6.3	6.8
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified from accumulated other comprehensive income (loss)	[1]	$ (3.2)	$ (3.4)	$ (6.3)	$ (6.8)

[1] Interest expense – net, as presented in the Condensed Statements of Consolidated Income (Loss) was $98.6 and $98.7 for the three months ended October 31, 2025 and 2024, respectively and, $198.8 and $199.1 for the six months ended October 31, 2025 and 2024. The reclassification includes terminated contracts which were designated as cash flow hedges.