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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