EQUITY - Performance-Based Awards, Additional Information (Details) - Performance units - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Line Items] | |||
Compensation costs net yet recognized, restricted units, net | $ 3.6 | ||
Expected weighted average period for unrecognized compensation cost (in years) | 2 years 1 month 6 days | ||
Total fair value of share-based payment awards vested | $ 182.5 | $ 11.9 | $ 3.9 |