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Note 4 - Reduction of Inventory to Fair Value (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2018 USD ($) | Jul. 31, 2017 USD ($) | Jul. 31, 2018 USD ($) | Jul. 31, 2017 USD ($) | Oct. 31, 2017 USD ($)
Number of Communities Evaluated for Impairment |  |  | 405 | 380 |
Number of Communities Performed Detailed Impairment Calculations |  |  | 5 | 10 |
Carrying Value of Communities Tested for Impairment |  |  | $ 11,200 | $ 82,700 |
Impairment of Real Estate | $ 0 | $ 3,200 | 2,100 | 7,400 |
Homebuilding [Member] |  |  |  |  |
Impairment of Real Estate | 0 | $ 3,200 | $ 2,100 | $ 7,400 |
Number of Communities Impaired |  | 1 | 5 | 7 |
PreImpairment Value |  | $ 15,900 | $ 11,200 | $ 37,000 |
Number of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20 Percent |  |  | 0 | 3 |
Carrying Value of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount by Less than 20 Percent |  |  |  | $ 45,800 |
Percentage Undiscounted Cash Flow Exceeds Carrying Amount |  |  |  | 20.00% |
Land Option Write Offs | $ 100 | $ 1,000 | $ 1,100 | $ 1,900 |
Number of Walk Away Lots | 76 | 1,200 | 1,417 | 2,739 |
Number of Communities Mothballed During the Period |  |  | 0 |  |
Number of Previously Mothballed Communities Sold During the Period |  |  | 2 |  |
Number of Mothballed Communities Reactivated |  |  | 1 |  |
Number of Communities Mothballed | 19 |  | 19 |  | 22
Inventory Real Estate Mothballed Communities | $ 24,500 |  | $ 24,500 |  | $ 36,700
Inventory Real Estate Mothballed Communities Accumulated Impairment Charges | 186,100 |  | 186,100 |  | 214,100
Liabilities from Inventory Real Estate Not Owned | 72,416 |  | 72,416 |  | 91,101
Homebuilding [Member] | Model Sale Leaseback Financing Arrangements [Member] |  |  |  |  |
Inventory Real Estate, Other Options | 53,300 |  | 53,300 |  | 58,500
Liabilities from Inventory Real Estate Not Owned | 46,500 |  | 46,500 |  | 51,800
Homebuilding [Member] | Land Banking Arrangement [Member] |  |  |  |  |
Inventory Real Estate, Other Options | 43,700 |  | 43,700 |  | 66,300
Liabilities from Inventory Real Estate Not Owned | $ 25,900 |  | $ 25,900 |  | $ 39,300
Homebuilding [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |
Inventory, Measurement Input |  |  | 0.168 | 0.183 |
Homebuilding [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |
Inventory, Measurement Input |  |  | 0.198 | 0.198 |

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- Definition The aggregate carrying value of communities for which detailed impairment calculatons were performed. + References No definition available. + Details
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- Definition The aggregate carrying value of communities tested for impairment which had undiscounted future cash flow that only exceeded the carrying amount by less than 20%. + References No definition available. + Details
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- Definition Includes the liabilities for the inventory for which we do not have title related to the remaining exercise price of land and lot option purchases contracts; variable interest entities when we are the primary beneficiary; and model sale leaseback financing arrangements. + References No definition available. + Details
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- Definition Number of communities for which detailed impairment calculations were performed during the period. + References No definition available. + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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