Special Project Costs (Details Textual) - USD ($) $ in Millions	3 Months Ended		27 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Apr. 30, 2025
Indianapolis Bakery Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 20.7
Restructuring and related cost, expected cost	75.0		$ 75.0
Employee-related costs | Indianapolis Bakery Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	4.2
Restructuring reserve	4.2		4.2
Other transition and termination costs | Indianapolis Bakery Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	16.5
Restructuring and related cost, expected cost	15.0		15.0
Accelerated Depreciation Noncash Charges | Indianapolis Bakery Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	15.4
Restructuring and related cost, expected cost	60.0		60.0
Hostess Brands
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	185.3		185.3
Restructuring and related cost, incurred cost	0.4	$ 12.0
Restructuring and related cost, expected cost	190.0		190.0
Restructuring and related cost, noncash charge incurred to date	15.4		15.4
Restructuring and related cost, incurred noncash charge	0.0	5.6
Hostess Brands | Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	43.3		43.3
Restructuring and related cost, incurred cost	0.3	2.6
Restructuring reserve	3.8		3.8	$ 6.2
Hostess Brands | Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	43.0		43.0
Restructuring and related cost, incurred cost	0.1	9.4
Sahale Snacks and Canada Condiment Divestitures
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	6.4		6.4
Sahale Snacks and Canada Condiment Divestitures | Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	4.3		4.3
Restructuring and related cost, incurred cost	0.0	0.3
Sahale Snacks and Canada Condiment Divestitures | Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	2.1		2.1
Pet Food Brands [Member] | Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	0.3	$ 0.1	6.8
Restructuring and related cost, expected cost	$ 12.0		$ 12.0