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v3.23.1

SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Selling, general and administrative expenses |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |
Total share-based compensation cost | $ 3.4 | $ 1.7 | $ 5.3 | $ 3.4
Total income tax benefit recognized | 0.3 | 0.3 | 0.6 | 0.5
Performance-Accelerated Restricted Share (PARS) Awards |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |
Pretax compensation expense | $ 3.1 | 1.5 | $ 4.7 | 2.8
Non-vested shares | 244,387 |  | 244,387 |
Compensation Plan for Non-Employee Directors |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |
Pretax compensation expense | $ 0.3 | $ 0.3 | $ 0.6 | $ 0.6
Total unrecognized compensation cost related to share-based compensation arrangements | $ 10.8 |  | $ 10.8 |
Weighted average period |  |  | 1 year 8 months 12 days |

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