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INCOME TAXES (Tables)
6 Months Ended
Mar. 31, 2025
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,
20252024
(Dollars in thousands)(As Restated)
Provision at statutory rate$26,690 $27,183 
Tax-exempt income(319)(341)
State income taxes4,773 5,172 
Interim period effective rate adjustment(4,375)4,351 
Tax credit investments, net - federal(3,694)(11,363)
IRC 162(m) nondeductible compensation605 340 
Other, net(1,509)(719)
Income tax expense$22,171 $24,623 
Effective tax rate17.38%18.95 %