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Note 23 (Detail) (USD $)	Jan. 31, 2013	Oct. 31, 2012		Apr. 30, 2011	Jan. 31, 2013 Net [Member] Subsidiary Issuer [Member]	Jan. 31, 2013 Subsidiary Issuer [Member] Senior Notes [Member]	Jan. 31, 2013 Subsidiary Issuer [Member]	Jan. 31, 2013 Tangible Equity Units [Member]	Jan. 31, 2013 Senior Exchangeable Notes Due 2017 [Member]	Jan. 31, 2013 The 6.00% Exchangable Note Units [Member]	Oct. 02, 2012 The 6.00% Exchangable Note Units [Member]	Jan. 31, 2013 Senior Amortizing Notes [Member] Fair Value, Inputs, Level 3 [Member]
Tangible Equity Units, Rate	7.25%			7.25%				7.25%
Number of Wholly Owned Subsidiaries	1
Debt Instrument, Face Amount						$ 460,600,000	$ 992,000,000		$ 63,900,000		$ 100,000,000
Secured Debt	977,700,000				977,700,000
Senior Notes, Unsecured	458,900,000				458,900,000				63,900,000			23,100,000
Debt Instrument, Interest Rate, Stated Percentage								6.00%		6.00%	6.00%
Subordinated Debt	$ 5,150,000	$ 6,091,000	[1]				$ 5,200,000	$ 5,200,000
[1] Derived from the audited balance sheet as of October 31, 2012.

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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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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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