v3.26.1
Equity-Based Compensation - Summary of Company's Stock Options Activity (Details)
6 Months Ended
Mar. 31, 2026
$ / shares
shares
Share-Based Payment Arrangement [Abstract]  
Outstanding at September 30, 2025 | shares 2,338,000
Exercised | shares 9,000
Forfeited | shares 65,000
Outstanding at March 31, 2026 | shares 2,264,000
Vested and exercisable at March 31, 2026 | shares 2,030,000
Expected to vest after March 31, 2026 | shares 234,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]  
Weighted Average Exercise Price, Outstanding at September 30, 2025 | $ / shares $ 19.11
Exercised, Weighted Average Exercise Price | $ / shares 13.49
Forfeited, weighted average exercise price | $ / shares 18.28
Weighted Average Exercise Price, Outstanding at March 31, 2026 | $ / shares 19.16
Weighted Average Exercise Price, Vested and Exercisable at March 31, 2026 | $ / shares 18.84
Weighted Average Exercise Price, Expected to vest after March 31, 2026 | $ / shares $ 22