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EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Basic        
Net income (loss) $ (3,927) $ 5,252 $ (4,820) $ 11,906
Undistributed earnings allocated to participating shares 41 (44) 51 (100)
Net income (loss) applicable to common shareholders $ (3,886) $ 5,208 $ (4,769) $ 11,806
Weighted average shares outstanding 6,739 6,764 6,760 6,750
Income (loss) per share $ (0.58) $ 0.77 $ (0.71) $ 1.75
Diluted        
Net income (loss) $ (3,927) $ 5,252 $ (4,820) $ 11,906
Undistributed earnings allocated to participating shares 41 (44) 51 (100)
Net income (loss) applicable to common shareholders $ (3,886) $ 5,208 $ (4,769) $ 11,806
Weighted average shares outstanding prior to dilution effect   6,764   6,750
Stock options and contingently issuable shares   60   66
Weighted average shares outstanding 6,739 6,824 6,760 6,816
Income (loss) per share $ (0.58) $ 0.76 $ (0.71) $ 1.73