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Accounts Receivable Allowances (Tables)
 12 Months Ended
Jun. 30, 2020
Receivables [Abstract]  
Reconciliation of accounts receivable allowances Accounts receivable allowances as of June 30, 2020, 2019 and 2018 consisted of the following (in thousands):

 
Beginning
Balance
 
Charged to
Cost and
Expenses (Recovered), net
 
Write-offs
 
Ending
Balance
Allowance for doubtful accounts:
 
 
 
 
 
 
 
Year ended June 30, 2020
$
8,906

 
$
(3,081
)
 
$
(1,239
)
 
$
4,586

Year ended June 30, 2019
1,945

 
7,058

 
(97
)
 
8,906

Year ended June 30, 2018
2,370

 
(96
)
 
(329
)
 
1,945