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RETIREMENT PLANS (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Pension Plan    
Net periodic benefit (income) cost:    
Interest cost $ 98 $ 103
Expected return on plan assets (200) (192)
Amortization of net actuarial gain 0 0
Net periodic benefit (income) cost (102) (89)
Other disclosures    
Estimated future contributions 0  
SERP    
Net periodic benefit (income) cost:    
Interest cost 23 24
Expected return on plan assets 0 0
Amortization of net actuarial gain 0 (21)
Net periodic benefit (income) cost 23 $ 3
Other disclosures    
Estimated future contributions $ 76