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Note 22 (Detail) - Financial Instruments Measured at Fair Value on a Recurring Basis (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2013
Oct. 31, 2012
Mortgage loans held for sale $ 72,424 $ 117,024
Mortgage Loans Held for Sale [Member] | Fair Value, Inputs, Level 2 [Member]
   
Mortgage loans held for sale 72,316 [1] 116,912 [1]
Interest Rate Lock Commitments [Member] | Fair Value, Inputs, Level 2 [Member]
   
Mortgage loans held for sale (216) (8)
Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
   
Mortgage loans held for sale $ 324 $ 120
[1] The aggregate unpaid principal balance was $70.6 million and $113.8 million at January 31, 2013 and October 31, 2012, respectively.