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Note 22 - Financial Information of Subsidiary Issuer and Subsidiary Guarantors (Detail) (USD $)	Oct. 31, 2012	Oct. 31, 2011	Feb. 09, 2011	Oct. 31, 2012 Subsidiary Issuer [Member] Senior Secured Notes [Member]	Oct. 31, 2012 Subsidiary Issuer [Member] Senior Notes [Member]	Oct. 31, 2012 Subsidiary Issuer [Member] Senior Amortizing Notes [Member]	Oct. 31, 2012 Subsidiary Issuer [Member] Senior Exchangeable Notes [Member]	Oct. 31, 2012 Subsidiary Issuer [Member] 6.00% Exchangeable Note Units [Member]	Oct. 31, 2012 Subsidiary Issuer [Member]	Oct. 31, 2012 Tangible Equity Units [Member]	Oct. 31, 2011 Tangible Equity Units [Member]	Oct. 31, 2012 Senior Secured Notes [Member]	Oct. 31, 2011 Senior Secured Notes [Member]	Oct. 31, 2012 Senior Notes [Member]	Oct. 31, 2011 Senior Notes [Member]	Oct. 31, 2012 Senior Amortizing Notes [Member]	Oct. 31, 2012 Senior Exchangeable Notes [Member]	Oct. 02, 2012 6.00% Exchangeable Note Units [Member]
Tangible Equity Units, Rate			7.25%							7.25%
Number of Wholly Owned Subsidiaries	1
Debt Instrument, Face Amount				$ 992,000,000	$ 460,600,000													$ 100,000,000
Secured Debt	977,369,000	786,585,000		977,400,000								977,369,000	786,585,000
					458,700,000	23,100,000	76,900,000							458,736,000	802,862,000	23,149,000	76,851,000
Debt Instrument, Interest Rate, Stated Percentage								6.00%		7.25%	7.25%					11.00%	6.00%	6.00%
Subordinated Debt	$ 6,091,000	$ 13,323,000							$ 6,100,000

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Number of wholly owned subsidiaries of Hovnanian Enterprises, Inc. that acts as a finance entity.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest second claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off after secured debt and before any payments are made to junior note holders.

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Interest rate stated on the company's Tangible Equity Units.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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Interest rate stated in the contractual debt agreement.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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