v3.26.1
COST SAVINGS PROGRAM AND RESTRUCTURING - Summary of the Pre-Tax Costs (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2026
May 25, 2025
May 26, 2024
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges $ 111.6 $ 185.8  
Restructuring Charges, Total 104.0 100.0 $ 0.0
Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 122.2 185.8  
Sale of non-core assets (10.6) 0.0  
Restructuring Charges, Total 111.6 185.8  
Gain on the sale of non-core assets 1.3    
Retirement of assets and other plant charges | Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 53.1 55.3  
Potato contract terminations | Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 0.0 59.3  
Inventory write-off | Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 8.0 26.5  
Employee related costs | Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges 15.8 17.5  
Professional services and other | Restructuring Plan And Cost Savings Program      
Restructuring Cost and Reserve [Line Items]      
Net restructuring charges $ 45.3 $ 27.2