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Accumulated Other Comprehensive Loss and Comprehensive (Loss) Income (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jan. 31, 2012
Jan. 31, 2011
Accumulated Other Comprehensive Loss and Total Comprehensive Income (Loss)    
Net (loss) income as reported $ (2,786) $ 3,417
Changes in pension liability (109) 173
Change in fair value of available-for-sale securities 243 64
Unrealized loss on derivative held by equity investee (795)  
Comprehensive (loss) income $ (3,447) $ 3,654