Special Project Costs (Details) - Hostess Brands - USD ($) $ in Millions	12 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 37.5	$ 147.4
Total costs incurred to date	184.9
Transaction Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	0.0	99.0
Total costs incurred to date	99.0
Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	9.6	33.4
Total costs incurred to date	43.0
Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	27.9	$ 15.0
Total costs incurred to date	$ 42.9