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Note 13 - Reduction of Inventory to Fair Value (Detail) (USD $) | 12 Months Ended | 72 Months Ended | 12 Months Ended | 72 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010 | Oct. 31, 2012 Minimum [Member] | Oct. 31, 2012 Minimum [Member] | Oct. 31, 2012 Maximum [Member] | Oct. 31, 2012 Maximum [Member]
Fair Value Inputs, Discount Rate |  |  |  | 16.80% | 16.80% | 18.50% | 20.30%
Impairment of Real Estate | $ 9,800,000 | $ 77,500,000 | $ 122,500,000 |  |  |  |
Land Option Write-Offs | $ 2,700,000 | $ 24,300,000 | $ 13,200,000 |  |  |  |

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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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Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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=7578670&loc=d3e19207-110258 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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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 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: 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=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 26 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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Balance Type: | debit
Period Type: | duration