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Income Taxes (Details Textual)
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Income tax disclosures [Line Items]        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 23.30% 35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 4.40% 4.80% 5.00%  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range Not Possible During the next 12 months, it is reasonably possible that the amount of unrecognized tax benefits will change, but we are not able to provide a range of such change.      
State and Local Jurisdiction [Member]        
Income tax disclosures [Line Items]        
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 5.60% 6.10% 6.60%  
State Net Operating Loss Carryforwards [Member] | Minimum [Member]        
Income tax disclosures [Line Items]        
net operating loss, carryback expiration periods 5 years      
State Net Operating Loss Carryforwards [Member] | Maximum [Member]        
Income tax disclosures [Line Items]        
net operating loss, carryback expiration periods 20 years