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Fruit Growers Supply Cooperative (Details) - USD ($)
1 Months Ended 12 Months Ended
Sep. 30, 2011
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Fruit Growers Supply Cooperative [Abstract]        
Total amount of allocated after tax earnings from cooperative supply corporation   $ 216,000 $ 729,000  
Amount of dividends received from cooperative supply corporation, recorded as reductions against agribusiness expenses   $ 513,000 0 $ 0
Amount of refund being sought by cooperative supply corporation $ 586,000      
Percent of dividends assigned to claim   50.00%    
Loss contingency accrual     $ 251,000