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Interest and Other Income (Tables)
 6 Months Ended
Apr. 30, 2012
Other Income and Expenses [Abstract]  
Revenues and expenses of non-core ancillary businesses
The table below provides, for the periods indicated, revenues and expenses for the Company’s non-core ancillary businesses (amounts in thousands).
 
Six Months Ended April 30,
 
Three Months Ended April 30,
 
2012
 
2011
 
2012
 
2011
Revenue
$
39,599

 
$
27,542

 
$
22,288

 
$
13,770

Expense
$
31,006

 
$
27,503

 
$
16,917

 
$
14,288