SHARE-BASED COMPENSATION (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Performance Share Unit (PSU) Awards and Time-Vested Restricted Stock Unit (RSU) Awards | ||||
| SHARE-BASED COMPENSATION | ||||
| Pretax compensation expense | $ 2.3 | $ 2.0 | $ 6.9 | $ 5.5 |
| Non-vested shares | 213,069 | 213,069 | ||
| Compensation Plan for Non-Employee Directors | ||||
| SHARE-BASED COMPENSATION | ||||
| Pretax compensation expense | $ 0.4 | 0.3 | $ 1.0 | 0.9 |
| Total income tax benefit recognized | 0.5 | 0.5 | 1.6 | 1.4 |
| Total unrecognized compensation cost related to share-based compensation arrangements | 14.3 | $ 14.3 | ||
| Weighted average period | 1 year 7 months 6 days | |||
| Compensation Plan for Non-Employee Directors | Selling, general and administrative expenses | ||||
| SHARE-BASED COMPENSATION | ||||
| Total share-based compensation cost | $ 2.6 | $ 2.2 | $ 7.9 | $ 6.4 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost capitalized for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of non-vested options outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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