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Restructuring Charges (Details Textual) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Jul. 31, 2012
Restructuring charges (Textual) [Abstract]  
Severance charges $ 1.9
2011 Plan [Member]
 
Restructuring charges (Textual) [Abstract]  
Severance charges 5.0
Lease loss charges $ 0.8