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Note 13 - Reduction of Inventory to Fair Value (Detail) - Inventory Impairment (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Number of Communities | 32 | 41 | 83
Impairment | $ 9,800 | $ 77,500 | $ 122,500
Pre- Impairment Value | 38,100 | 252,000 | 253,400
Northeast [Member] |  |  |
Number of Communities | 10 | 11 | 14
Impairment | 2,800 | 54,900 | 72,200
Pre- Impairment Value | 19,600 | 179,900 | 156,500
Mid-Atlantic [Member] |  |  |
Number of Communities | 3 | 5 | 8
Impairment | 400 | 3,400 | 3,400
Pre- Impairment Value | 800 | 17,300 | 7,100
Midwest [Member] |  |  |
Number of Communities | 2 | 7 | 15
Impairment | 1,600 | 1,100 | 4,600
Pre- Impairment Value | 4,500 | 4,200 | 8,200
Southeast [Member] |  |  |
Number of Communities | 12 | 11 | 21
Impairment | 2,800 | 1,500 | 2,200
Pre- Impairment Value | 8,300 | 5,100 | 8,000
Southwest [Member] |  |  |
Number of Communities |  | 1 | 6
Impairment |  | 100 | 900
Pre- Impairment Value |  | 300 | 10,800
West [Member] |  |  |
Number of Communities | 5 | 6 | 19
Impairment | 2,200 | 16,500 | 39,200
Pre- Impairment Value | $ 4,900 | $ 45,200 | $ 62,800

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- Definition Number of communities and various other land parcels impacted by pretax, noncash inventory impairment charges. + References No definition available. + Details
Name: | hov_NumberOfCommunitiesImpaired
Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Book value of inventory prior to current period impairment charge. + References No definition available. + Details
Name: | hov_PreImpairmentValue
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
Name: | us-gaap_ImpairmentOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration