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STOCK AWARD PLANS - Nonvested Stock Options (Details) - $ / shares | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Options Outstanding |  |  |
Outstanding at beginning of period (in shares) | 843,251 | 1,390,422 | 981,410
Granted (in shares) | 374,029 | 0 | 779,740
Vested (in shares) | (227,947) | (412,160) | (217,695)
Forfeited (in shares) | (161,492) | (135,011) | (153,033)
Outstanding at end of period (in shares) | 827,841 | 843,251 | 1,390,422
Weighted Average Grant Date Fair Value |  |  |
Outstanding at beginning of period (in dollars per share) | $ 5.50 | $ 5.93 | $ 5.07
Granted (in dollars per share) | 8.20 | 0 | 7.11
Vested (in dollars per share) | 7.19 | 3.20 | 6.13
Forfeited (in dollars per share) | 5.27 | 6.07 | 5.38
Outstanding at end of period (in dollars per share) | $ 7.53 | $ 5.50 | $ 5.93

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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of non-vested options outstanding. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-4 + Details
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- Definition Number of non-vested options forfeited. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-4 + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-4 + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-4 + Details
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