Derivative Financial Instruments (Details 3) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Price Risk Derivatives [Abstract]
Net derivative gains (losses) recognized and classified as unallocated	$ 63.9	$ (9.4)	$ 56.2	$ (4.0)
Less: Net derivatives gains (losses) reclassified to segment operating profit	3.9	(4.2)	14.5	17.1
Change in net cumulative unallocated derivative gains and losses	$ 60.0	$ (5.2)	$ 41.7	$ (21.1)

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