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PENSION & POSTRETIREMENT PLANS
6 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
PENSION & POSTRETIREMENT PLANS PENSION & POSTRETIREMENT PLANS
Total periodic pension and postretirement (income) expense is summarized below:
 Three Months Ended March 31,Six Months Ended March 31,
 2024 2025 2024 2025 
Service cost$18 $18 36 
Interest cost55 48 110 96 
Expected return on plan assets
(74)(73)(148)(146)
Net amortization(14)4 (28)8 
Total$(24)(3)$(48)(6)