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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
 9 Months Ended
Mar. 31, 2021
Jun. 30, 2020
Accounts receivable, allowance for doubtful accounts $ 1,095 $ 1,698
Common stock, no par value $ 0 $ 0
Common stock, shares authorized (in shares) 300,000,000 300,000,000
Common stock, shares issued (in shares) 118,369,820 105,916,068
Treasury stock (in shares) 13,489,953 13,356,447
Preferred Shares    
Redeemable convertible preferred stock, par value (in usd per share) $ 0  
Redeemable convertible preferred stock redemption value $ 750,100  
Redeemable convertible preferred stock, cumulative percentage 5.00%  
Redeemable convertible preferred stock, share authorized (in shares) 215,000  
Redeemable convertible preferred stock shares outstanding (in shares) 75,000  
Redeemable convertible preferred stock, shares issued (in shares) 75,000  
Series A Preferred Stock    
Preferred stock, par value (in usd per share) $ 0  
Preferred stock, dividend rate, percentage 6.00%  
Preferred stock, shares authorized (in shares) 5,000,000  
Preferred stock, shares issued (in shares) 2,300,000