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Equity Matters Stock Based Compensation Cash Incentive Awards (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Apr. 30, 2018
Apr. 30, 2017
Oct. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Proceeds from Stock Options Exercised     $ 33 $ 78  
Compensation expense recognized $ 526 $ 419 1,042 817  
Cash Incentive Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense recognized 181 $ 210 380 $ 282  
Liability $ 916   $ 916   $ 536
Minimum [Member] | Cash Incentive Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance range     0.00%    
Maximum [Member] | Cash Incentive Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance range     200.00%