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Allowance For Doubtful Accounts (Tables)
9 Months Ended
Mar. 31, 2012
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
2,721

Write-off /adjustments
(1,510
)
 
 
Balance of allowance for doubtful accounts as of March 31, 2012
$
6,635