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Segment Information (Tables)
12 Months Ended
Sep. 30, 2011
Segment Information [Abstract] 
Revenue And Operating Income
Revenue By Product Segment
     Year ended September 30,  
     2011      2010      2009  
     (in thousands)  

Desktop

   $ 625,086       $ 542,291       $ 545,007   

Enterprise

     541,863         467,758         393,178   
  

 

 

    

 

 

    

 

 

 

Total revenue

   $ 1,166,949       $ 1,010,049       $ 938,185   
  

 

 

    

 

 

    

 

 

 
Revenue By Geographic Segment