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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Sep. 30, 2012
Summary of Significant Accounting Policies  
Schedule of accounts receivable reserves

Accounts receivable are presented net of the following reserves at September 30:

 
  2012    
  2011  

Allowance for sales returns

  $ 10,360       $ 10,793  

Promotional programs incentive allowance

    71,845         74,593  

Allowance for doubtful accounts

    5,244         5,376  
               

 

  $ 87,449       $ 90,762