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Segment Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2017
Apr. 30, 2016
Segment Reporting Information [Line Items]        
Revenues $ 36,893,000 $ 27,365,000 $ 64,985,000 $ 52,352,000
Depreciation and amortization     3,191,000 2,413,000
Selling, general and administrative expenses (3,116,000) (2,844,000) (6,963,000) (6,308,000)
Operating income (loss) 6,212,000 2,215,000 2,973,000 (4,119,000)
Lemon operations [Member]        
Segment Reporting Information [Line Items]        
Revenues 26,170,000 20,778,000 52,159,000 42,643,000
Costs and expenses 18,778,000 16,474,000 40,599,000 38,105,000
Operating income (loss) 7,392,000 4,304,000 11,560,000 4,538,000
Other agribusiness [Member]        
Segment Reporting Information [Line Items]        
Revenues 9,247,000 5,168,000 10,027,000 6,870,000
Costs and expenses 6,306,000 3,750,000 9,494,000 6,704,000
Operating income (loss) (160,000) (187,000) (245,000) (1,611,000)
Rental Operations [Member]        
Segment Reporting Information [Line Items]        
Revenues 1,476,000 1,411,000 2,799,000 2,819,000
Costs and expenses 763,000 686,000 1,629,000 1,464,000
Depreciation and amortization 187,000 187,000 376,000 358,000
Operating income (loss) 2,941,000 1,418,000 533,000 166,000
Real Estate Development [Member]        
Segment Reporting Information [Line Items]        
Revenues 0 8,000 0 20,000
Costs and expenses 160,000 180,000 245,000 1,601,000
Depreciation and amortization 0 15,000 0 30,000
Operating income (loss) 526,000 538,000 794,000 997,000
Lemon and other agribusiness [Member]        
Segment Reporting Information [Line Items]        
Lemon and other agribusiness depreciation and amortization 1,371,000 1,014,000 2,706,000 1,901,000
Operating income (loss) $ 8,962,000 $ 4,708,000 $ 9,387,000 $ 2,803,000