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Note 4 - Reduction of Inventory to Fair Value (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2015 USD ($) | Jul. 31, 2014 USD ($) | Jul. 31, 2015 USD ($) | Jul. 31, 2014 USD ($) | Oct. 31, 2014 USD ($)
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Impairment of Real Estate |  | $ 0 | $ 100,000 | $ 4,400,000 | $ 200,000 |  |
Number Of Communities Evaluated For Impairment |  | 522 |  | 522 |  |  |
Number of Communities Performed Detailed Impairment Calculations |  | 17 |  | 17 |  |  |
Carrying Value Of Communities Tested For Impairment |  | $ 86,700,000 |  | $ 86,700,000 |  |  |
Number Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% |  | 8 |  | 8 |  |  |
Carrying Value Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% |  | $ 42,700,000 |  | $ 42,700,000 |  |  |
Percentage Undiscounted Cash Flow Exceeds Carrying Amount |  |  |  | 20.00% |  |  |
Number of Communities Impaired |  |  | 1 | 5 | 2 |  |
Pre Impairment Value |  |  | $ 500,000 | $ 16,700,000 | $ 700,000 |  |
Land Option Write-offs |  | $ 1,100,000 | $ 600,000 | $ 3,200,000 | $ 1,700,000 |  |
Number Of Walk Away Lots |  | 1,035 | 1,165 | 3,190 | 3,595 |  |
Number of Mothballed Communities Reactivated |  |  |  | 14 |  |  |
Number of Communities Mothballed |  | 31 |  | 31 |  |  |
Inventory, Real Estate, Mothballed Communities |  | $ 99,900,000 |  | $ 99,900,000 |  |  |
Inventory, Real Estate, Mothballed Communities, Accumulated Impairment Charges |  | 334,500,000 |  | 334,500,000 |  |  |
Inventory Real Estate Specific Performance Options |  | 0 |  | 0 |  |  |
Homebuilding [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Inventory Real Estate Specific Performance Options | [1] |  |  |  |  | $ 3,479,000 |
Inventory Real Estate Other Options |  | 109,355,000 |  | 109,355,000 |  | 105,374,000 | [1]
Liabilities From Inventory Real Estate Not Owned |  | $ 98,406,000 |  | 98,406,000 |  | $ 92,381,000 | [1]
Homebuilding [Member] | Real Estate Inventory [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  | 0.00% | 16.80% |  | 16.80% |  |
Model Sale Leaseback Financing Arrangements [Member] | Homebuilding [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Inventory Real Estate Other Options |  | $ 90,200,000 |  | 90,200,000 |  |  |
Liabilities From Inventory Real Estate Not Owned |  | 84,700,000 |  | 84,700,000 |  |  |
Land Banking Arrangement [Member] | Homebuilding [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Inventory Real Estate Other Options |  | 19,200,000 |  | 19,200,000 |  |  |
Liabilities From Inventory Real Estate Not Owned |  | $ 13,700,000 |  | $ 13,700,000 |  |  |
Minimum [Member] | Homebuilding [Member] | Real Estate Inventory [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  | 17.50% |  |  |
Maximum [Member] | Homebuilding [Member] | Real Estate Inventory [Member] |  |  |  |  |  |  |
Note 4 - Reduction of Inventory to Fair Value (Details) [Line Items] |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  | 19.80% |  |  |
[1] | Derived from the audited balance sheet as of October 31, 2014.

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