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Commitments and Contingencies - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
License agreement | WARF (Wisconsin Alumni Research Foundation)      
Loss Contingencies [Line Items]      
License agreement expiration date Aug. 06, 2019    
Royalty costs $ 1,900,000 $ 2,500,000 $ 3,800,000
Royalty amount accrued 2,300,000 2,600,000  
Financial Guarantee | Various Customers      
Loss Contingencies [Line Items]      
Bank guarantees $ 1,200,000    
Financial Guarantee | Three Customers      
Loss Contingencies [Line Items]      
Bank guarantees   $ 1,000,000.0  
3.75% Convertible Notes due 2022      
Loss Contingencies [Line Items]      
Interest rate (as a percent) 3.75%    
3.75% Convertible Notes Due 2026      
Loss Contingencies [Line Items]      
Interest rate (as a percent) 3.75%