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Note 15 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2017 | Jul. 31, 2016 | Oct. 31, 2018
Income Tax Expense (Benefit) | $ 287,036 | $ 1,567 | $ 286,485 | $ (4,597) |
Deferred Tax Assets, Valuation Allowance | 922,000 |  | 922,000 |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | (50,173) | 1,093 | (57,549) | (29,705) |
Gain (Loss) on Extinguishment of Debt | (42,258) |  | (34,854) |  |
Scenario, Forecast [Member] |  |  |  |  |
Increase in Interest Incurred Per Year, Amount |  |  |  |  | $ 23,400
State and Local Jurisdiction [Member] |  |  |  |  |
Income Tax Expense (Benefit) | 8,523 | $ 1,434 | 10,797 | $ 4,995 |
State and Local Jurisdiction [Member] | Between 2017 and 2036 [Member] |  |  |  |  |
Operating Loss Carryforwards | 2,200,000 |  | 2,200,000 |  |
State and Local Jurisdiction [Member] | Between 2017 and 2021 [Member] |  |  |  |  |
Operating Loss Carryforwards | 301,700 |  | 301,700 |  |
State and Local Jurisdiction [Member] | Between 2022 and 2026 [Member] |  |  |  |  |
Operating Loss Carryforwards | 253,900 |  | 253,900 |  |
State and Local Jurisdiction [Member] | Between 2027 and 2031 [Member] |  |  |  |  |
Operating Loss Carryforwards | 1,327,300 |  | 1,327,300 |  |
State and Local Jurisdiction [Member] | Between 2032 and 2036 [Member] |  |  |  |  |
Operating Loss Carryforwards | $ 348,000 |  | $ 348,000 |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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