Derivative Financial Instruments (Details 3) - USD ($) $ in Millions	12 Months Ended
Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2023
Price Risk Derivatives [Abstract]
Net derivative gains (losses) recognized and classified as unallocated	$ 102.3	$ 27.6	$ (1.7)
Less: Net derivative gains (losses) reclassified to segment operating profit	44.1	20.9	19.7
Change in net cumulative unallocated derivative gains and losses	$ 58.2	$ 6.7	$ (21.4)

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4CC
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4CC

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration