v3.26.1
Stockholders’ Equity - Additional Information (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Nov. 30, 2025
USD ($)
year
$ / shares
Jun. 30, 2026
USD ($)
class
vote
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2024
USD ($)
Class of Stock [Line Items]        
Number of classes of common stock | class   2    
Common stock, conversion ratio (in shares)   1    
Exercise price of warrants (in USD per share) | $ / shares   $ 68.75 $ 81.08  
Warrants granted (in shares) | shares   0    
Warrants exercised (in shares) | shares   0    
Warrants cancelled (in shares) | shares   0    
Commercial Agreement with Amazon, Warrants        
Class of Stock [Line Items]        
Fair value of warrants | $ $ 37.7      
Sale of warrants recognized | $   $ 199.9 $ 292.3 $ 439.6
Unrecognized compensation expense, warrants | $   $ 429.4    
Weighted-average compensation expense recognition period, warrants   2 years 4 months 24 days    
Commercial Agreement with Amazon, Warrants | Measurement Input, Expected Dividend Rate        
Class of Stock [Line Items]        
Warrants measurement input 0      
Commercial Agreement with Amazon, Warrants | Measurement Input, Expected Term        
Class of Stock [Line Items]        
Warrants measurement input | year 3.6      
Commercial Agreement with Amazon, Warrants | Measurement Input, Price Volatility        
Class of Stock [Line Items]        
Warrants measurement input 0.94      
Commercial Agreement with Amazon, Warrants | Measurement Input, Risk Free Interest Rate        
Class of Stock [Line Items]        
Warrants measurement input 0.0363      
Commercial Agreement with Amazon, New Users Acquired Prior to February 1        
Class of Stock [Line Items]        
Exercise price of warrants (in USD per share) | $ / shares $ 100      
Commercial Agreement with Amazon, New Users Acquired Subsequent to February 1        
Class of Stock [Line Items]        
Exercise price of warrants (in USD per share) | $ / shares $ 63.06      
Class A common stock        
Class of Stock [Line Items]        
Number of votes per share | vote   1    
Class B common stock        
Class of Stock [Line Items]        
Number of votes per share | vote   15