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Note 9 (Detail) (Pledged Against Mortgage Warehouse LOC [Member], USD $) In Millions, unless otherwise specified | Apr. 30, 2013 | Oct. 31, 2012
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Pledged Against Mortgage Warehouse LOC [Member] |  |
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Repurchase Agreements | $ 68.4 | $ 104.6

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- Definition The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of repurchase obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=7523297&loc=SL6224234-111729 + Details
Name: | us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedForRepurchaseAgreements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant