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Shareholders' Equity - Share-Based Compensation Plans (Details) - USD ($)
$ in Thousands
9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Equity [Abstract]    
Cost not yet recognized $ 5,500  
Cost not yet recognized, period for recognition 3 years 1 month 6 days  
Proceeds from common stock options exercised and employee stock purchase plan $ 1,778 $ 5,364