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Note 5 (Detail) (USD $) | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 31, 2012 | Jul. 31, 2011 | Jul. 31, 2012 | Jul. 31, 2012 | Jul. 31, 2011
Impairment of Real Estate | $ 200,000 | $ 5,100,000 |  | $ 5,400,000 | $ 28,200,000
Land Option Write-offs | 500,000 | 6,300,000 |  | 1,800,000 | 13,700,000
Number of Communities Mothballed During the Period |  |  |  | 1 |
Number of Mothballed Communities Re-activated |  |  |  | 2 |
Number of Mothballed Communities Sold |  |  |  | 4 |
Number of Communities Mothballed | 54 |  | 54 | 54 |
Inventory, Real Estate, Mothballed Communities | 128,000,000 |  | 128,000,000 | 128,000,000 |
Inventory, Real Estate, Mothballed Communities, Accumulated Impairment Charges | 464,600,000 |  | 464,600,000 | 464,600,000 |
Reclassification of Inventory to Consolidated Inventory Not Owned | 49,700,000 |  | 32,500,000 |  |
Increase in Liability from Consolidated Inventory Not Owned | $ 38,100,000 |  | $ 31,700,000 |  |
Minimum [Member] |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  | 16.80% |
Maximum [Member] |  |  |  |  |
Fair Value Inputs, Discount Rate |  |  |  | 18.50% |

X
- Definition Liability recorded for financed inventory not owned during the period. + References No definition available. + Details
Name: | hov_IncreaseInLiabilityFromConsolidatedInventoryNotOwned
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net book value of mothballed communities at the end of the period. + References No definition available. + Details
Name: | hov_InventoryRealEstateMothballedCommunities
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of impairment charges recorded to date on our mothballed communities. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The charge against earnings in the period to write off costs associated with land options that were terminated. + References No definition available. + Details
Name: | hov_LandOptionWriteOffs
Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of mothballed communities at the end of the period. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of communities mothballed during the period. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of mothballed communities reactivated during the period. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of mothballed communities sold during the period. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory that was reclassified from Sold and Unsold Homes and Lots Under Development to Consolidated Inventory Not Owned on the Consolidated Balance Sheet during the period. + References No definition available. + Details
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Namespace Prefix: | hov_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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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Balance Type: | na
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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