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Note 21 - Fair Value of Financial Instruments (Detail) - Financial Instruments Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012		Oct. 31, 2011
Financial Instruments Measured at Fair Value on a Recurring Basis	$ 117,024		$ 72,172
Mortgage Loans Held For Sale [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Instruments Measured at Fair Value on a Recurring Basis	116,912	[1]	73,126	[1]
Interest Rate Lock Commitments [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Instruments Measured at Fair Value on a Recurring Basis	(8)		142
Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Financial Instruments Measured at Fair Value on a Recurring Basis	$ 120		$ (1,096)
[1] The aggregate unpaid principal balance is $113.8 million and $70.4 million at October 31, 2012 and 2011, respectively.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_AssetsFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant