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Note 22 (Detail) - Financial Instruments Measured at Fair Value on a Recurring Basis (USD $) In Thousands, unless otherwise specified | Apr. 30, 2013 | Oct. 31, 2012
--- | --- | ---
Mortgage loans held for sale | $ 85,463 |  | $ 117,024 |
Mortgage Loans Held for Sale [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Mortgage loans held for sale | 86,543 | [1] | 116,912 | [1]
Interest Rate Lock Commitments [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Mortgage loans held for sale | 264 |  | (8) |
Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Mortgage loans held for sale | $ (1,344) |  | $ 120 |
[1] | The aggregate unpaid principal balance was $82.2 million and $113.8 million at April 30, 2013 and October 31, 2012, 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