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Changes in the Carrying Amount of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Goodwill [Roll Forward]    
Ending balance $ 68,331 $ 69,432
Engineered Products
   
Goodwill [Roll Forward]    
Beginning balance 69,432 25,189
Acquisition   44,623
Foreign currency translation adjustment (1,101) (380)
Ending balance $ 68,331 $ 69,432