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Note 10 - Operating and Reporting Segments (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2018 USD ($) | Jul. 31, 2018 USD ($) | Apr. 30, 2018 USD ($) | Jan. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Jul. 31, 2017 USD ($) | Apr. 30, 2017 USD ($) | Jan. 31, 2017 USD ($) | Oct. 31, 2018 USD ($) | Oct. 31, 2017 USD ($) | Oct. 31, 2016 USD ($)
Real Estate Inventory Expense Not Eligible for Capitalization |  |  |  |  |  |  |  |  | $ 103,297 | $ 97,304 | $ 90,967
Gain (Loss) on Extinguishment of Debt, Total | $ (1,830) | $ (4,266) | $ (1,440) |  |  | $ (42,258) | $ (242) | $ 7,646 | (7,536) | (34,854) | (3,200)
Increase (Decrease) In Construction Defect Reserves | $ (10,200) |  |  |  | $ 12,500 |  |  |  |  |  |
Qualifying Assets Not Exceeding Debt [Member] |  |  |  |  |  |  |  |  |  |  |
Real Estate Inventory Expense Not Eligible for Capitalization |  |  |  |  |  |  |  |  | 76,200 | 69,100 | 50,400
Corporate, Non-Segment [Member] |  |  |  |  |  |  |  |  |  |  |
General and Administrative Expense, Total |  |  |  |  |  |  |  |  | 69,600 | 59,400 | 60,100
Gain (Loss) on Extinguishment of Debt, Total |  |  |  |  |  |  |  |  | (7,500) | (34,900) | (3,200)
Other Nonoperating Income (Expense), Total |  |  |  |  |  |  |  |  | 14,100 | 900 | 800
Increase (Decrease) In Construction Defect Reserves |  |  |  |  |  |  |  |  |  | 12,500 | (9,200)
Corporate, Non-Segment [Member] | Qualifying Assets Not Exceeding Debt [Member] |  |  |  |  |  |  |  |  |  |  |
Real Estate Inventory Expense Not Eligible for Capitalization |  |  |  |  |  |  |  |  | $ 76,200 | $ 69,100 | $ 50,400
Homebuilding [Member] |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments |  |  |  |  |  |  |  |  | 6 |  |

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- Definition Represents the aggregate increase or decrease during the reporting period in the reserves for construction defects based on annual actuarial estimate. + References No definition available. + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114001942&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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