v3.25.1
Share-Based Payments - Restricted Stock Activity (Details) - Restricted Stock
6 Months Ended
Mar. 31, 2025
$ / shares
shares
RSUs  
Non-vested at beginning of period (in shares) | shares 1,707,349
Granted (in shares) | shares 668,700
Vested (in shares) | shares (438,741)
Expired or forfeited (in shares) | shares (119,240)
Non-vested at end of period (in shares) | shares 1,818,068
Weighted- average Grant-date Fair Value  
Non-vested weighted-average grant-date fair value, beginning of period (in dollars per share) | $ / shares $ 33.59
Granted, weighted-average grant-date fair value (in dollars per share) | $ / shares 25.53
Vested, weighted-average grant-date fair value (in dollars per share) | $ / shares 37.38
Expired or forfeited, weighted-average grant-date fair value (in dollars per share) | $ / shares 38.00
Non-vested weighted-average grant-date fair value, end of period (in dollars per share) | $ / shares $ 29.42