XML 94 R57.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Cost Reduction Actions (Details of Future Cash Payments) (Details) (USD $)
Jul. 31, 2011
Oct. 31, 2008
Cost Reduction Actions [Abstract]    
Facility-related exit cost liability, Noncurrent $ 2,916,000  
Less net cash to be received in next twelve months (398,000)  
Interest expense to be accreted in future periods 1,610,000  
Total net estimated facility-related exit costs $ 4,128,000 $ 4,141,000