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Accounts Receivable (Notes)
12 Months Ended
Jun. 30, 2021
Receivables [Abstract]  
Financing Receivables [Text Block] Accounts Receivable
Our accounts receivable, net of the related allowance for doubtful accounts, were as follows as of June 30, 2021 and 2020:
 June 30,
2021
June 30,
2020
 (Dollars in Thousands)
Accounts receivable, gross$61,273 $62,925 
Allowance for doubtful accounts(8,771)(6,624)
Accounts receivable, net$52,502 $56,301 

As of June 30, 2021 and 2020, we had no customer receivable balance that represented approximately 10% or more of our total receivables.