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Note 20 - Assets Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Fair Value, Inputs, Level 3 [Member] | Sold and Unsold Homes and Lots Under Development [Member] | Fair Value, Measurements, Nonrecurring [Member]
Pre-Impairment Amount	$ 15,710	$ 11,055	$ 44,238	$ 16,756
Total Losses	4,730	3,543	14,399	4,466
Fair Value	10,980	7,512	29,839	12,290
Fair Value, Inputs, Level 3 [Member] | Land and Land Options Held for Future Development or Sale [Member] | Fair Value, Measurements, Nonrecurring [Member]
Pre-Impairment Amount	1,012		1,169
Total Losses	646		694
Fair Value	366		475
Pre-Impairment Amount	16,700	11,000	45,400	16,700
Total Losses	$ (5,400)	$ (3,500)	$ (15,100)	$ (4,400)

X

- Definition

This element represents the fair value of inventory whose carrying value was adjusted to fair value during the period.

+ References

No definition available.

+ Details

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

X

- 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

X

- 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

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_SoldAndUnsoldHomesAndLotsUnderDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=hov_LandAndLandOptionsHeldForFutureDevelopmentOrSaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: