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Allowance for Doubtful Accounts (Tables)
9 Months Ended
Mar. 31, 2019
Receivables [Abstract]  
Changes in Carrying Amount of Allowance For Doubtful Accounts
Balance as of June 30, 2018
$
9,741

Bad debt expense
11,096

Write-off /adjustments
(3,891
)
Balance as of March 31, 2019
$
16,946