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Property, Plant, and Equipment (Details Textual) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Property Plant and Equipment (Textual) [Abstract]      
Depreciation expense $ 4.2 $ 3.2 $ 2.8
Capitalized Computer Software Cost 3.3 2.3 1.7
Capital Lease Obligations [Member]
     
Property Plant and Equipment (Textual) [Abstract]      
Depreciation expense $ 0.6 $ 0.2 $ 0.2