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STOCK COMPENSATION - Effects to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Share-Based Payment Arrangement [Abstract]
Tax effects of employee's stock-based compensation expense recognized income	$ 1,838	$ 2,181	$ 1,562
Total employee stock-based compensation expense recognized in income, net of tax effects of $1,838, $2,181, and $1,562, respectively	$ 8,465	$ 7,824	$ 5,290

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Amount, after tax, of expense for award under share-based payment arrangement.

+ References

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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