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PENSION AND OTHER POSTRETIREMENT PLANS (Tables)
 12 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Reconciliation of Benefit Obligations, Plan Assets and Funded Status of Pension Plans
The following provides a reconciliation of benefit obligations, plan assets and funded status of the plans as of the Company's actuarial valuation as of September 30, 2025 and 2024:
 PensionOther Postretirement
 2025202420252024
Change in benefit obligation:
Benefit obligation, beginning of year$14,712 $12,896 $13,378 $12,375 
Service cost142 125 52 55 
Interest cost493 530 608 684 
Actuarial (gain) loss(1,503)1,100 (1,675)777 
Exchange loss763 645 — — 
Benefit payments(573)(584)(346)(513)
Benefit obligation, end of year (1)
14,034 14,712 12,017 13,378 
Change in plan assets:    
Fair value, beginning of year— — — — 
Benefit payments(573)(584)(346)(513)
Employer contributions573 584 346 513 
Fair value, end of year— — — — 
Funded status(14,034)(14,712)(12,017)(13,378)
Unrecognized actuarial gain(2,098)(1,453)(5,574)(4,407)
Unrecognized prior service credit— — (229)(591)
Net amount recognized$(16,132)$(16,165)$(17,820)$(18,376)
Amounts recognized in the consolidated balance sheet:    
Current liability$— $— $(779)$(872)
Noncurrent benefit liability(14,034)(14,712)(11,238)(12,506)
Accumulated other comprehensive income(2,098)(1,453)(5,803)(4,998)
Net amount recognized$(16,132)$(16,165)$(17,820)$(18,376)
Amounts recognized in accumulated    
       other comprehensive income:
    
Net actuarial gain$(2,098)$(1,453)$(5,574)$(4,407)
Prior service credit— — (229)(591)
Net amount recognized$(2,098)$(1,453)$(5,803)$(4,998)
(1) Gains and losses related to changes in assumptions (e.g., discount rate, mortality, etc.), salary and other experience impacted benefit obligations.
Net Periodic Pension and Other Postretirement Benefit Cost
Net periodic pension and other postretirement benefit cost for the plans included the following:
 PensionOther Postretirement
 202520242023202520242023
Service cost$142 $125 $163 $52 $55 $76 
Interest cost *493 530 497 608 684 644 
Amortization:      
Prior service cost (credit)— — — (362)(364)(364)
Net actuarial (gain) loss *(41)(53)(64)(510)(722)(708)
Settlement*— — 1,271 — — — 
Net benefit cost$594 $602 $1,867 $(212)$(347)$(352)
* Non-service components of pension and postretirement expense are included in other income (deductions), net.
Weighted-Average Assumptions for Principal Retirement and Other Postretirement Benefit Plans The weighted-average assumptions for those plans were:
 Pension
  
Other Postretirement   
 202520242023202520242023
Discount rate4.04 %3.51 %4.13 %5.39 %4.99 %5.86 %
Benefit Payments Expected to be Paid
Benefit payments expected to be paid are as follows:
Years ending September 30:Pension BenefitsOther Postretirement Benefits
2026$635 $872 
2027652 886 
2028671 887 
2029698 894 
2030720 894 
2031-20353,866 4,303 
 $7,242 $8,736