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Schedule II Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Jun. 30, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Valuation and Qualifying Accounts
DescriptionBalance at
Beginning
of Year		Additions (Reductions)
to Expense		Adjustments to Other
Accounts		Write-offs and
Recoveries		Balance at
End of
 Year
(Amounts in Thousands)     
Year Ended June 30, 2021     
    Valuation Allowances:     
        Receivables$523 $(163)$(9)$(174)$177 
        Deferred Tax Asset$1,637 $165 $— $— $1,802 
Year Ended June 30, 2020
    Valuation Allowances:
        Receivables$270 $265 $(5)$(7)$523 
        Deferred Tax Asset$658 $979 $— $— $1,637 
Year Ended June 30, 2019
    Valuation Allowances:
        Receivables$482 $184 $14 $(410)$270 
        Deferred Tax Asset$638 $20 $— $— $658