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Defined Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Net Periodic Cost (Benefit)
The components of the combined net periodic expense (benefit) for our defined benefit pension plans are presented in the table below.
Three Months Ended
June 30,
Six Months Ended
June 30,
2023202220232022
Expected return on plan assets, net of expenses$(2,740)$(3,492)$(5,480)$(6,983)
Interest cost on projected benefit obligation1,746 1,004 3,492 2,008 
Net amortization and deferral870 741 1,740 1,482 
Net periodic expense (benefit)$(124)$(1,747)$(248)$(3,493)