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Note 12 - Reduction of Inventory to Fair Value (Details Textual) $ in Millions | 12 Months Ended
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Oct. 31, 2016 USD ($) | Oct. 31, 2015 USD ($) | Oct. 31, 2014 USD ($)
Number of Communities Evaluated for Impairment | 413 | 523 |
Number of Communities Performed Detailed Impairment Calculations | 30 | 26 |
Carrying Value of Communities Tested for Impairment | $ 125.4 | $ 108.1 |
Number of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount By Less Than 20 Percent | 9 | 12 |
Carrying Value of Communities Tested for Impairment for Which Undiscounted Future Cash Flow Only Exceeded Carrying Amount by Less than 20 Percent | $ 43.5 | $ 54.9 |
Percentage Undiscounted Cash Flow Exceeds Carrying Amount | 20.00% |  |
Impairment of Real Estate | $ 24.5 | 7.3 | $ 1.2
Land Option Write Offs | 8.9 | 4.7 | 4.0
Homebuilding [Member] |  |  |
Impairment of Real Estate | 24.5 | 7.3 | 1.2
Land Option Write Offs | $ 8.9 | $ 4.7 | $ 4.0
Homebuilding [Member] | Real Estate Inventory [Member] | Minimum [Member] |  |  |
Fair Value Inputs, Discount Rate | 16.80% | 17.30% | 16.80%
Homebuilding [Member] | Real Estate Inventory [Member] | Maximum [Member] |  |  |
Fair Value Inputs, Discount Rate | 18.80% | 19.80% | 17.30%

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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 charge against earnings in the period to write off costs associated with land options that were terminated. + References No definition available. + Details
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- Definition Number of communities evaluated for impairment during the period + 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 Represents the 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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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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