Acquisition (Details Textual) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended			9 Months Ended
		Nov. 07, 2023	Jan. 31, 2025	Oct. 31, 2024	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024	Apr. 30, 2024	Oct. 31, 2023	Sep. 08, 2023
Acquisition [Line Items]
Business acquired, net of cash acquired						$ 0.0	$ 3,920.6
Debt instrument face amount			$ 7,453.2			7,453.2		$ 7,850.0
Short-term borrowings			461.9			461.9		591.0
Net sales			2,186.0		$ 2,229.2	6,582.3	5,973.0
Operating income (loss)			(594.0)		297.4	(74.8)	899.8
Goodwill impairment charge			794.3		0.0	794.3	0.0
Other intangible assets impairment charge			208.2		0.0	208.2	0.0
Loss (gain) on divestitures – net			(50.2)		(0.3)	(311.0)	(12.9)
Goodwill			6,569.7			6,569.7		7,649.9
Asset Impairment Charges			1,000.0
Sweet Baked Snacks Value Brands
Acquisition [Line Items]
Loss (gain) on divestitures – net						(42.6)
Voortman
Acquisition [Line Items]
Loss (gain) on divestitures – net				$ (260.8)		(268.4)
Sweet Baked Snacks
Acquisition [Line Items]
Net sales			278.6		300.3	927.8	300.3
Operating income (loss)			(1,021.6)			(1,180.8)
Goodwill impairment charge	[1]					794.3
Goodwill			1,375.1			1,375.1		2,447.2
Commercial Paper [Member]
Acquisition [Line Items]
Short-term borrowings			462.0			462.0		$ 591.0
Hostess Brands
Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 5,400.0
Business Acquisition, Share Price		$ 34.25
Business Acquisition, Equity Interest Issued or Issuable, Price Per Share Paid										$ 30.00
Business Acquisition, Equity Interest Issued or Issuable, Fraction of Common Shares Issued										0.03002
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		4,000,000.0
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
Goodwill		2,446.8
Goodwill deductible for tax purposes		196.6	$ 170.3			$ 170.3
Finite Lived Intangible Assets Expected Annual Amortization Expense		71.6
Hostess Brands | Sweet Baked Snacks
Acquisition [Line Items]
Goodwill		2,400.0
Hostess Brands | Commercial Paper [Member]
Acquisition [Line Items]
Short-term borrowings		700.0
Hostess Brands | Senior Notes [Member]
Acquisition [Line Items]
Proceeds from Issuance of Debt							5,000.0
Debt instrument face amount					$ 3,500.0		$ 3,500.0		$ 3,500.0
Hostess Brands | Term Loan Credit Agreement
Acquisition [Line Items]
Debt Instrument, Unused Borrowing Capacity, Amount		$ 800.0

[1] We have recognized accumulated goodwill impairment charges of $1,037.2 as of January 31, 2025.