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Stock-Based Compensation (Details 1) (2011 Management Incentive Plan [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
Jul. 31, 2012
Oct. 31, 2011
2011 Management Incentive Plan [Member]
    
Stock option activity, related to 2011 Management Incentive Plan    
Outstanding, Number of Shares, beginning balance 65 65
Outstanding, Weighted-Average Exercise Price, beginning balance $ 21.82 $ 21.82
Outstanding, Number of Shares, ending balance 65 65
Outstanding, Weighted-Average Exercise Price, ending balance $ 21.82 $ 21.82
Outstanding, Aggregate Intrinsic Value $ 340  
Exercisable, Number of Shares 55  
Exercisable, Weighted-Average Exercise Price $ 21.82  
Exercisable, Aggregate Intrinsic Value $ 1,488