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INCOME TAXES (Tables)

6 Months Ended

Mar. 31, 2026

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The table below compares the income tax expense components for the periods presented.

			Six Months Ended March 31,
(Dollars in thousands)			2026						2025
Provision at statutory rate			$	27,182					$	26,690
Tax-exempt income			(291)						(319)
State income taxes			4,921						4,773
Interim period effective rate adjustment			(1,991)						(4,375)
Tax credit investments, net - federal			(7,161)						(3,694)
Research tax credit			(1,303)						—
162(m) disallowance			865						605
Other, net			(858)						(1,509)
Income tax expense			$	21,364					$	22,171
Effective tax rate			16.5		%				17.4		%

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- References

No definition available.

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

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