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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2019
Jun. 30, 2018
Statement of Financial Position [Abstract]    
Accounts receivable, allowances $ 923 $ 6,327
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares issued 27,888,217 27,888,217
Common stock, shares outstanding 26,807,203 26,853,823
Treasury stock, shares 1,081,014 1,034,394