Special Project Costs (Details) - Hostess Brands $ in Millions	12 Months Ended
	Apr. 30, 2024 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 147.4
Transaction Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	99.0
Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	33.4
Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 15.0