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INTEREST INCOME AND INTEREST EXPENSE (Tables)
9 Months Ended
Jun. 30, 2011
Net interest income (expense) :  
Interest income and interest expense
The components of interest income and interest expense are as follows:

   
Three months ended June 30,
  
Nine months ended June 30,
 
   
2011
  
2010
  
2011
  
2010
 
   
(in thousands)
 
Interest income:
            
Margin balances
 $13,341  $11,910  $38,748  $34,300 
Assets segregated pursuant to regulations and other segregated assets
  2,043   2,049   6,118   5,626 
Bank loans, net of unearned income
  64,824   62,168   205,410   193,564 
Available for sale securities
  2,382   4,348   8,827   13,906 
Trading instruments
  5,067   5,125   16,379   13,172 
Stock borrow
  1,420   2,492   4,384   6,401 
Interest income of VIEs
  -   -   1   13 
Other
  6,755   4,688   17,162   10,445 
Total interest income
  95,832   92,780   297,029   277,427 
                  
Interest expense:
                
Brokerage client liabilities
  829   896   2,564   2,724 
Retail bank deposits
  2,804   3,938   9,561   12,196 
Stock loan
  489   1,175   1,398   2,651 
Borrowed funds
  804   1,516   3,098   4,561 
Senior notes
  8,968   6,523   22,014   19,568 
Interest expense of VIEs
  1,430   1,026   4,563   3,252 
Other
  2,501   1,165   5,818   2,537 
Total interest expense
  17,825   16,239   49,016   47,489 
                  
Net interest income
  78,007   76,541   248,013   229,938 
Less:  Provision for loan losses
  (8,363)  (17,098)  (28,232)  (59,870)
                  
Net interest income after provision for loan losses
 $69,644  $59,443  $219,781  $170,068