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Income Taxes (Details Textual) $ in Thousands | 12 Months Ended
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Oct. 31, 2016 USD ($) | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($)
Income tax disclosures [Line Items] |  |  |
Number of states | 19 |  |
Effective Income Tax Rate Reconciliation, Percent | 35.10% | 32.20% | 32.60%
Valuation allowance - reversed | $ 0 | $ (16,323) | $ (13,256)
Valuation allowance - recognized | $ 1,018 | $ 3,681 | $ 1,328
State and Local Jurisdiction [Member] |  |  |
Income tax disclosures [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, Percent | 7.00% | 6.30% | 7.20%
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 |  |

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