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Accumulated Other Comprehensive Loss and Comprehensive (Loss) Income (Tables)
 6 Months Ended
Apr. 30, 2012
Equity [Abstract]  
Components of total comprehensive income (loss)
The table below provides, for the periods indicated, the components of total comprehensive income (loss) (amounts in thousands):
 
Six Months Ended April 30,
 
Three Months Ended April 30,
 
2012
 
2011
 
2012
 
2011
Net income (loss) as reported
$
14,086

 
$
(17,356
)
 
$
16,872

 
$
(20,773
)
Changes in pension liability
92

 
347

 
201

 
173

Change in fair value of available-for-sale securities
156

 
(5
)
 
(87
)
 
59

Unrealized (loss) gain on derivative held by equity investee
(728
)
 

 
67

 


Total comprehensive income (loss)
$
13,606

 
$
(17,014
)
 
$
17,053

 
$
(20,541
)