v3.26.1
Special Project Costs - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended 30 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2026
Hostess Brands        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost $ 2.5 $ 37.5 $ 147.4  
Restructuring and related cost, incurred noncash charge 1.3 12.2 3.2 $ 16.7
Total costs incurred to date 187.4     187.4
Sahale Snacks and Condiment Divestitures        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost   0.9 5.5  
Total costs incurred to date 6.4     6.4
Indianapolis Bakery Restructuring        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 83.5      
Employee-related costs | Hostess Brands        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 1.3 9.6 33.4  
Restructuring Reserve 0.4 6.2   0.4
Total costs incurred to date 44.3     44.3
Employee-related costs | Sahale Snacks and Condiment Divestitures        
Restructuring Cost and Reserve [Line Items]        
Total costs incurred to date 4.3     4.3
Employee-related costs | Indianapolis Bakery Restructuring        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 6.6      
Restructuring Reserve 0.5     0.5
Other transition and termination costs | Hostess Brands        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 1.2 27.9 15.0  
Total costs incurred to date 44.1     44.1
Other transition and termination costs | Sahale Snacks and Condiment Divestitures        
Restructuring Cost and Reserve [Line Items]        
Total costs incurred to date 2.1     2.1
Other transition and termination costs | Pet Food Brands        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 2.5 6.5    
Total costs incurred to date 9.0     9.0
Other transition and termination costs | Indianapolis Bakery Restructuring        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 76.9      
Transaction Costs | Hostess Brands        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost 0.0 $ 0.0 $ 99.0  
Total costs incurred to date 99.0     $ 99.0
Accelerated Depreciation Noncash Charges | Indianapolis Bakery Restructuring        
Restructuring Cost and Reserve [Line Items]        
Restructuring and related cost, incurred cost $ 68.2