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Note 4 - Reduction of Inventory to Fair Value (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2017 USD ($) | Jul. 31, 2016 USD ($) | Jul. 31, 2017 USD ($) | Jul. 31, 2016 USD ($) | Oct. 31, 2016 USD ($)
Number of Communities Evaluated for Impairment |  |  | 380 | 418 |  |
Number of Communities Performed Detailed Impairment Calculations |  |  | 10 | 22 |  |
Carrying Value of Communities Tested for Impairment |  |  | $ 82,700 | $ 95,500 |  |
Number of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20 Percent |  |  | 3 | 11 |  |
Carrying Value of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount by Less than 20 Percent |  |  | $ 45,800 | $ 47,800 |  |
Percentage Undiscounted Cash Flow Exceeds Carrying Amount |  |  | 20.00% |  |  |
Impairment of Real Estate | $ 3,200 | $ 1,300 | $ 7,400 | $ 16,400 |  |
Number of Communities Impaired | 1 | 2 | 7 | 12 |  |
PreImpairment Value | $ 15,900 | $ 5,400 | $ 37,000 | $ 50,800 |  |
Homebuilding [Member] |  |  |  |  |  |
Land Option Write Offs | $ 1,000 | $ 200 | $ 1,900 | $ 6,500 |  |
Number of Walk Away Lots | 1,200 | 1,570 | 2,739 | 5,089 |  |
Number of Communities Mothballed During the Period |  |  | 0 |  |  |
Number of Previously Mothballed Communities Sold During the Period |  |  | 3 |  |  |
Number of Mothballed Communities Reactivated |  |  | 2 |  |  |
Number of Communities Mothballed | 24 |  | 24 |  | 29 |
Inventory Real Estate Mothballed Communities | $ 61,600 |  | $ 61,600 |  | $ 74,400 |
Inventory Real Estate Mothballed Communities Accumulated Impairment Charges | 239,000 |  | 239,000 |  | 296,300 |
Liabilities from Inventory Real Estate Not Owned | 98,507 |  | 98,507 |  | 150,179 | [1]
Homebuilding [Member] | Model Sale Leaseback Financing Arrangements [Member] |  |  |  |  |  |
Liabilities from Inventory Real Estate Not Owned | 62,700 |  | 62,700 |  | 69,700 |
Inventory Real Estate, Other Options | 70,900 |  | 70,900 |  | 79,200 |
Homebuilding [Member] | Land Banking Arrangement [Member] |  |  |  |  |  |
Liabilities from Inventory Real Estate Not Owned | 35,800 |  | 35,800 |  | 80,500 |
Inventory Real Estate, Other Options | $ 67,600 |  | $ 67,600 |  | $ 129,500 |
Homebuilding [Member] | Real Estate Inventory [Member] | Minimum [Member] |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  | 18.30% | 16.80% |  |
Homebuilding [Member] | Real Estate Inventory [Member] | Maximum [Member] |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  | 19.80% | 18.50% |  |
[1] | Derived from the audited balance sheet as of October 31, 2016. See notes to condensed consolidated financial statements (unaudited).

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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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