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CONTINGENCIES - Narrative (Details)
3 Months Ended 6 Months Ended
Jan. 27, 2014
USD ($)
defendant
Nov. 24, 2019
USD ($)
Nov. 29, 2020
USD ($)
suit
Installment
site
period
Sep. 04, 2018
USD ($)
Guarantee Obligations [Line Items]        
Threshold amount for environmental matters     $ 1,000,000  
Lamb Weston        
Guarantee Obligations [Line Items]        
Number of optional extension periods | period     1  
Period of optional extensions     5 years  
Beatrice        
Guarantee Obligations [Line Items]        
Number of sites under environmental matters for which acquired company has a liability | site     40  
Accrual for environmental matters     $ 56,000,000.0  
Increase in environmental reserves   $ 6,600,000    
Beatrice | Other accrued liabilities        
Guarantee Obligations [Line Items]        
Accrual for environmental matters     2,000,000.0  
Beatrice | Other noncurrent liabilities        
Guarantee Obligations [Line Items]        
Accrual for environmental matters     54,000,000.0  
Performance and payment guarantee for Lamb Weston        
Guarantee Obligations [Line Items]        
Guarantee under sublease agreement (maximum)     75,000,000.0  
Guarantee to make payments        
Guarantee Obligations [Line Items]        
Guarantee under sublease agreement (maximum)     $ 300,000  
Remaining lease terms     3 years  
Performance and payment of all amounts under sublease agreement        
Guarantee Obligations [Line Items]        
Guarantee under sublease agreement (maximum)     $ 15,200,000  
Remaining lease terms     6 years  
Illinois        
Guarantee Obligations [Line Items]        
Remaining defendants in active suits | suit     1  
California | Beatrice        
Guarantee Obligations [Line Items]        
Number of other defendants | defendant 2      
Estimate of possible loss $ 1,150,000,000     $ 409,000,000.0
Total payments to be made under settlement     $ 101,700,000,000  
Number of annual installments to be made | Installment     7  
California | Beatrice | Maximum        
Guarantee Obligations [Line Items]        
Litigation settlement, amount of guarantee provided     $ 15,000,000.0  
California | Beatrice | Minimum | Other accrued liabilities        
Guarantee Obligations [Line Items]        
Amount accrued     11,000,000.0  
California | Beatrice | Minimum | Other noncurrent liabilities        
Guarantee Obligations [Line Items]        
Amount accrued     $ 52,200,000