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SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Selling, general and administrative expenses |  |
SHARE-BASED COMPENSATION |  |
Total share-based compensation cost | $ 1.4 | $ 1.4
Performance-Accelerated Restricted Share Awards |  |
SHARE-BASED COMPENSATION |  |
Pretax compensation expense | $ 1.1 | 1.1
Non-vested shares | 264,399 |
Non-Employee Directors Plan |  |
SHARE-BASED COMPENSATION |  |
Pretax compensation expense | $ 0.3 | 0.3
Total income tax benefit recognized | 0.3 | $ 0.3
Total unrecognized compensation cost related to share-based compensation arrangements | $ 7.9 |
Remaining weighted-average period for recognition of total unrecognized compensation cost | 1 year 9 months 18 days |

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