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CONTINGENCIES (Details)
3 Months Ended
Jan. 27, 2014
USD ($)
defendant
Aug. 30, 2020
USD ($)
suit
Installment
site
period
Nov. 24, 2019
USD ($)
Sep. 04, 2018
USD ($)
Lamb Weston        
Guarantee Obligations [Line Items]        
Number of optional extension periods | period   2    
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   $ 57,400,000    
Increase in environmental reserves     $ 6,600,000  
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)   $ 400,000    
Remaining lease terms   3 years    
Performance and payment of all amounts under sublease agreement        
Guarantee Obligations [Line Items]        
Guarantee under sublease agreement (maximum)   $ 15,800,000    
Remaining lease terms   7 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    
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   11,900,000    
California | Beatrice | Minimum | Other noncurrent liabilities        
Guarantee Obligations [Line Items]        
Amount accrued   $ 63,100,000