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OTHER LONG-TERM ASSETS (Tables)
12 Months Ended
Sep. 30, 2012
OTHER LONG-TERM ASSETS [Abstract]  
Schedule of other long term assets
Other long-term assets consisted of the following:

   
September 30,
 
   
2012
  
2011
 
        
Auction rate securities
 $7,991  $8,041 
Other long-term assets
  2,872   1,504 
Other long-term investments
  1,082   827 
Total
 $11,945  $10,372