Fair Value Disclosures (Details 4) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012	Oct. 31, 2011
Carrying value and estimated fair value of non performing loan portfolio
Carrying amount of non performing loan portfolio	$ 90,334	$ 63,234
Estimated fair value of non performing loan portfolio	$ 91,667	$ 64,539

The price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and other-than-temporary impairments), for loans accounted for as debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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