v3.24.3
Share-Based Payments - Performance-Based Awards (Details) - Performance-based Awards
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Sep. 30, 2024
USD ($)
$ / shares
shares
Share-Based Payments  
Payout percentage (in percentage) 100.00%
Performance Unit Awards (in shares)  
Unvested at the beginning of the period (in shares) | shares 471
Granted (in shares) | shares 596
Adjustment for performance achievement (in shares) | shares (32)
Vested (in shares) | shares (45)
Forfeited (in shares) | shares (93)
Unvested at the end of the period (in shares) | shares 897
Performance Unit Awards (in dollars per share)  
Unvested at the beginning of the period (in dollars per share) | $ / shares $ 11.26
Granted (in dollars per share) | $ / shares 8.49
Adjustment for performance achievement (in dollar per share) | $ / shares 13.37
Vested (in dollar per share) | $ / shares 15.18
Forfeited (in dollars per share) | $ / shares 10.61
Unvested at the end of the period (in dollars per share) | $ / shares $ 13.57
Total unrecognized compensation expenses related to unvested awards | $ $ 2.1
Weighted average period for recognition of unvested awards 1 year 7 months 6 days