v3.26.3
Stock-based compensation - Schedule of Option Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Number of shares    
Outstanding, beginning balance (in shares) 5,504,194  
Granted (in shares) 0  
Forfeited or canceled (in shares) 0  
Exercised (in shares) (453,431)  
Outstanding, ending balance (in shares) 5,050,763 5,504,194
Vested and exercisable (in shares) 2,621,708  
Weighted average exercise price (per share)    
Outstanding, beginning balance (in USD per share) $ 66.03  
Granted (in USD per share) 0  
Forfeited or canceled (in USD per share) 0  
Exercised (in USD per share) 1.69  
Outstanding, ending balance (in USD per share) 71.80 $ 66.03
Vested and exercisable (in USD per share) $ 69.53  
Aggregate intrinsic value    
Options outstanding $ 7 $ 29
Options vested and exercisable $ 7  
Weighted average remaining contractual life (in years)    
Options outstanding 6 years 10 months 6 days 6 years 9 months 18 days
Options vested and exercisable 6 years 9 months 7 days