v3.26.1
Stock-based Compensation - Summary of Activity Under The Equity Incentive Plans (Details)
shares in Thousands
 9 Months Ended
Jun. 30, 2026
$ / shares
shares
Restricted stock units  
Number of Shares  
Beginning balance (in shares) | shares 1,882
Granted (in shares) | shares 1,647
Vested/Issued (in shares) | shares (772)
Forfeited (in shares) | shares (154)
Ending balance (in shares) | shares 2,603
Weighted average grant date fair value per share  
Beginning balance (in usd per share) | $ / shares $ 37.21
Granted (in usd per share) | $ / shares 32.92
Vested (in usd per share) | $ / shares 34.95
Forfeited (in usd per share) | $ / shares 37.23
Ending balance (in usd per share) | $ / shares $ 35.17
Performance Stock Unit  
Number of Shares  
Beginning balance (in shares) | shares 1,934
Granted (in shares) | shares 961
Vested/Issued (in shares) | shares (419)
Forfeited (in shares) | shares (82)
Ending balance (in shares) | shares 2,394
Weighted average grant date fair value per share  
Beginning balance (in usd per share) | $ / shares $ 37.85
Granted (in usd per share) | $ / shares 27.58
Vested (in usd per share) | $ / shares 22.10
Forfeited (in usd per share) | $ / shares 42.86
Ending balance (in usd per share) | $ / shares $ 36.32