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Pension and Other Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2024
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Pension and other postretirement benefits (income) cost consisted of the following:
Three Months Ended
March 31,
Pensions20242023
Service cost$300 $773 
Interest cost4,628 4,895 
Expected return on plan assets(7,407)(7,534)
Amortization of prior service cost27 87 
Amortization of actuarial losses602 417 
Curtailment loss1,370 — 
Net periodic benefit income$(480)$(1,362)

Three Months Ended
March 31,
Other Postretirement Benefits20242023
Service cost$10 $13 
Interest cost262 285 
Amortization of prior service cost— 
Amortization of actuarial gains(40)(25)
Net periodic benefit cost$232 $276