Acquisition (Details Textual) $ / shares in Units, $ in Millions		12 Months Ended
	Nov. 07, 2023 USD ($) numberOfEmployees $ / shares shares	Apr. 30, 2024 USD ($)		Apr. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Sep. 08, 2023 $ / shares shares	Apr. 30, 2020 USD ($)
Asset Acquisition [Line Items]
Business acquired, net of cash acquired		$ 3,920.6		$ 0.0	$ 0.0
Debt instrument face amount		7,850.0		4,350.0
Short-term borrowings		591.0		0.0
Net sales		8,178.7		8,529.2	7,998.9
Operating Income		1,305.8		157.5	1,023.8
Goodwill, ending balance		7,649.9	[1]	5,216.9	6,015.8
Sweet Baked Snacks
Asset Acquisition [Line Items]
Operating Income		73.4
Goodwill, ending balance		2,447.2	[1]	0.0	0.0
Operating Segments | Sweet Baked Snacks
Asset Acquisition [Line Items]
Net sales		637.3		0.0	$ 0.0
Commercial Paper [Member]
Asset Acquisition [Line Items]
Short-term borrowings		591.0		$ 0.0
Senior Notes [Member]
Asset Acquisition [Line Items]
Debt instrument face amount							$ 800.0
Hostess Brands
Asset Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 5,400.0
Business Acquisition, Share Price | $ / shares	$ 34.25
Business Acquisition, Price Paid Per Share in Cash | $ / shares						$ 30.00
Business Acquisition, Equity Interest Issued or Issuable, Fraction of Common Shares Issued | shares						0.03002
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	4,000,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 450.2
Business acquired, net of cash acquired	3,900.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt	991.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Debt-Like Item	$ 67.8
Acquisition, Number of Employees Acquired | numberOfEmployees	3,000
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory		8.3
Goodwill, ending balance	$ 2,447.2
Goodwill deductible for tax purposes	196.6	186.9
Finite Lived Intangible Assets Expected Annual Amortization Expense	71.6
Hostess Brands | Sweet Baked Snacks
Asset Acquisition [Line Items]
Goodwill, ending balance	2,400.0
Hostess Brands | Commercial Paper [Member]
Asset Acquisition [Line Items]
Short-term borrowings	$ 700.0
Hostess Brands | Senior Notes [Member]
Asset Acquisition [Line Items]
Proceeds from Issuance of Debt		5,000.0
Debt instrument face amount		3,500.0
Hostess Brands | Term Loan Credit Agreement
Asset Acquisition [Line Items]
Maximum borrowing capacity		$ 800.0

[1] Included in goodwill as of April 30, 2024, are accumulated goodwill impairment charges of $242.9.