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Segment Information - Narrative (Details)
3 Months Ended 6 Months Ended
Apr. 30, 2020
USD ($)
Apr. 30, 2019
USD ($)
Apr. 30, 2020
USD ($)
segment
Apr. 30, 2019
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | segment     4  
Revenues $ 39,571,000 $ 42,035,000 $ 81,227,000 $ 84,053,000
Other Agribusiness        
Segment Reporting Information [Line Items]        
Revenues 3,819,000 3,901,000 7,983,000 6,102,000
Other Agribusiness | Oranges        
Segment Reporting Information [Line Items]        
Revenues 2,667,000 1,991,000 4,939,000 2,937,000
Other Agribusiness | Specialty Citrus and Other Crops [Member]        
Segment Reporting Information [Line Items]        
Revenues $ 1,152,000 $ 1,910,000 $ 3,044,000 $ 3,165,000