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Stock Based Benefit Plans (Details 9) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2009
Information regarding the Company's employee stock purchase plan      
Shares issued 23,079 23,587 25,865
Average price per share $ 15.59 $ 16.20 $ 16.49
Compensation expense recognized $ 54 $ 57 $ 64