Special Project Costs (Details) - Hostess Brands - USD ($) $ in Millions	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	$ 0.4	$ 12.0
Restructuring and related cost, cost incurred to date	185.3
Transaction Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	0.0	0.0
Restructuring and related cost, cost incurred to date	99.0
Employee-related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	0.3	2.6
Restructuring and related cost, cost incurred to date	43.3
Other transition and termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	0.1	$ 9.4
Restructuring and related cost, cost incurred to date	$ 43.0