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Note 17 - Investments in Unconsolidated Homebuilding and Land Development Joint Ventures (Details Textual) $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Nov. 30, 2015 USD ($)	Jul. 31, 2017 USD ($)	Jan. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Jul. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Oct. 31, 2016 USD ($)
Number of Owned Communities Transferred to the Joint Venture			1	8
Number of Optioned Communities Transferred to the Joint Venture			3	1
Proceeds from Transfer of Land to Joint Venture			$ 11,200	$ 29,800
Joint Venture Financing Percent of Assets		50.00%			50.00%
Joint Venture Total Debt to Capitalization Ratio		50.00%			50.00%
Corporate Joint Venture [Member]
Advances to Affiliate		$ 20,800			$ 20,800		$ 8,900
Joint Venture Total Debt to Capitalization Ratio		50.00%			50.00%		41.00%
Land Development Venture [Member]
Proceeds from Transfer of Land to Joint Venture	$ 25,700
Homebuilding [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		$ 108,560			$ 108,560		$ 100,502
Management Fees Revenue		$ 2,500		$ 1,200	$ 7,600	$ 3,100

X

- Definition

Targeted maximum amount of separate project-specific mortgage financing obtained by the company's unconsolidated joint ventures, based on the joint venture's total assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	hov_
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Balance Type:	na
Period Type:	instant

X

- Definition

Total debt to capitalization ratio for the current period, for of all of the company's joint ventures, including the impact of impairments recorded by the joint ventures.

+ References

No definition available.

+ Details

Name:	hov_JointVentureTotalDebtToCapitalizationRatio
Namespace Prefix:	hov_
Data Type:	num:percentItemType
Balance Type:	na
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X

- Definition

The number of communities previously under option by the Company which were transferred to the joint venture.

+ References

No definition available.

+ Details

Name:	hov_NumberOfOptionedCommunitiesTransferredToTheJointVenture
Namespace Prefix:	hov_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of previously owned communities transferred to the joint venture.

+ 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 cash inflow from the transfer of land to the joint venture.

+ References

No definition available.

+ Details

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

X

- Definition

Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.2)
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765

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Balance Type:	debit
Period Type:	instant

X

- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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X

- Definition

Revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=hov_LandDevelopmentVentureMember
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Period Type:

X

- Details

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