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Stock-Based Compensation - Stock Option Activity (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Beginning balance, Shares 181 342 510
Granted, Shares         
Forfeited, Shares 3 3 1
Exercised, Shares 99 158 167
Ending balance, Shares 79 181 342
Beginning balance, Weighted Average Exercise price $ 19.45 $ 16.61 $ 16.14
Granted, Weighted Average Exercise price         
Forfeited, Weighted Average Exercise price $ 19.35 $ 13.10 $ 12.72
Exercised, Weighted Average Exercise price $ 14.79 $ 13.45 $ 15.17
Ending balance, Weighted Average Exercise price $ 25.30 $ 19.45 $ 16.61