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Note 5 (Detail) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2013 | Apr. 30, 2012 | Apr. 30, 2013 | Apr. 30, 2012
Number Of Communities Evaluated For Impairment | 344 |  |  |  | 344 |  |  |
Number of Communities Performed Detailed Impairment Calculations | 29 |  |  |  | 29 |  |  |
Carrying Value Of Communities Tested For Impairment | $ 82,000,000 |  |  |  | $ 82,000,000 |  |  |
Number Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% | 1 |  |  |  | 1 |  |  |
Percentage Undiscounted Cash Flow Exceeds Carrying Amount |  |  |  |  | 20.00% |  |  |
Impairment of Real Estate | 900,000 |  | 2,100,000 |  | 1,500,000 | [1] | 5,200,000 |
Land Option Write-offs | 1,300,000 | [2] | 1,100,000 | [2] | 1,400,000 | [2] | 1,300,000 | [2]
Number of Communities Mothballed During the Period |  |  |  |  | 1 |  |  |
Number of Communities Mothballed | 52 |  |  |  | 52 |  |  |
Inventory, Real Estate, Mothballed Communities | 125,200,000 |  |  |  | 125,200,000 |  |  |
Inventory, Real Estate, Mothballed Communities, Accumulated Impairment Charges | 455,200,000 |  |  |  | 455,200,000 |  |  |
One Community [Member] |  |  |  |  |  |  |  |
Carrying Value Of Communities Tested For Impairment For Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20% | 2,700,000 |  |  |  | 2,700,000 |  |  |
Mid-Atlantic [Member] |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  | 2,000 |  |  |
Land Option Write-offs |  |  | 2,000 |  |  |  | 8,000 |
Southeast [Member] |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  | 17,000 |  |  |
Southwest [Member] |  |  |  |  |  |  |  |
Land Option Write-offs |  |  | 44,000 |  |  |  | 52,000 |
Residential Real Estate [Member] |  |  |  |  |  |  |  |
| 34,200,000 |  |  |  | 34,200,000 |  |  |
| 33,600,000 |  |  |  | 33,600,000 |  |  |
Land [Member] |  |  |  |  |  |  |  |
| 71,900,000 |  |  |  | 71,900,000 |  |  |
| $ 57,500,000 |  |  |  | $ 57,500,000 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  |  | 18.00% |  | 16.80% |
Maximum [Member] |  |  |  |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  |  | 18.80% |  | 18.50% |
[1] | During the six months ended April 30, 2013, the Mid-Atlantic had an impairment totaling $2 thousand and the Southeast had an impairment totaling $17 thousand.
[2] | During the three and six months ended April 30, 2013 there were write-offs in the Mid-Atlantic totaling $2 thousand and $8 thousand, respectively. During the three and six months ended April 30, 2012 there were write-offs in the Southwest totaling $44 thousand and $52 thousand, respectively.

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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 The net book value of mothballed communities at the end of the period. + References No definition available. + Details
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- Definition The amount of impairment charges recorded to date on our mothballed communities. + 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 evaluated for impairment. + References No definition available. + Details
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- Definition The number of mothballed communities at the end of the period. + References No definition available. + Details
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- Definition The number of communities mothballed during the period. + References No definition available. + Details
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- Definition Number of communities for which detailed impairment calculations were performed. + References No definition available. + Details
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- Definition Number 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 Percentage by which undiscounted future cash flow for communities tested for impairment exceeds carrying value under which such carrying amounts are disclosed. + References No definition available. + Details
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