v3.26.3
POSTRETIREMENT BENEFIT PLANS (Tables)
9 Months Ended
Sep. 30, 2026
Retirement Benefits [Abstract]  
Schedule of Components of Net Benefit Costs
The components of benefit plans cost other than the service cost are included in the caption Non-operating benefit costs in our Statement of Operations.
PRINCIPAL PENSION PLANSThree months ended September 30Nine months ended September 30
2026202520262025
Service cost for benefits earned$12 $14 $37 $47 
Prior service cost amortization— (2)(2)(7)
Expected return on plan assets(359)(375)(1,076)(1,125)
Interest cost on benefit obligations310 325 930 976 
Net actuarial gain amortization(109)(126)(328)(379)
Net periodic expense (income)$(146)$(164)$(439)$(488)