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Income Taxes (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2017 USD ($) | Oct. 31, 2016 USD ($) | Oct. 31, 2015 USD ($)
Income tax disclosures [Line Items] |  |  |
Number of states | 20 |  |
Effective Income Tax Rate Reconciliation, Percent | 34.20% | 35.10% | 32.20%
Valuation allowance - reversed | $ (32,154) | $ 0 | $ (16,323)
Valuation allowance - recognized | $ 0 | $ 1,018 | $ 3,681
State and Local Jurisdiction [Member] |  |  |
Income tax disclosures [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, Percent | 6.50% | 7.10% | 6.30%
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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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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