v3.25.1
Pension Plans and Other Postretirement Benefits
 3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Pension Plans and Other Postretirement Benefits Pension Plans and Other Postretirement Benefits:
The components of pension and postretirement benefits cost (credit) for the three-month periods ended March 31, 2025 and 2024 were as follows (in thousands):
Three Months Ended
March 31,
20252024
Pension Benefits Cost (Credit):
Service cost$1,397 $1,566 
Interest cost8,339 8,145 
Expected return on assets(8,535)(8,830)
Amortization of prior service benefit19 20 
Total net pension benefits cost$1,220 $901 
Postretirement Benefits Cost:
Service cost$5 $12 
Interest cost471 360 
Total net postretirement benefits cost$476 $372 
Total net pension and postretirement benefits cost$1,696 $1,273 
All components of net benefit cost, other than service cost, are included in Other income, net on the consolidated statements of income.
During the three-month periods ended March 31, 2025 and 2024, the Company made contributions of $5.2 million and $4.8 million, respectively, to its qualified and nonqualified pension plans and the U.S. postretirement benefit plan.