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Allowance For Doubtful Accounts (Tables)
3 Months Ended
Sep. 30, 2011
Allowance For Doubtful Accounts [Abstract] 
Changes In Carrying Amount Of Allowance For Doubtful Accounts

Balance of allowance for doubtful accounts as of June 30, 2011

      5,424   

Bad debt expense for the period

      1,065   

Write-off /adjustments

      (212 ) 
  

 

 

  

Balance of allowance for doubtful accounts as of September 30, 2011

    $ 6,277