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Pension Plans and Other Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Domestic and Foreign Pension and Postretirement Defined Benefit Plans
The components of pension and postretirement benefits cost (credit) for the three-month and nine-month periods ended September 30, 2025 and 2024 were as follows (in thousands):
Three Months Ended
September 30,
Nine Months Ended
September 30,
2025202420252024
Pension Benefits Cost (Credit):
Service cost$1,466 $1,576 $4,310 $4,705 
Interest cost8,505 8,163 25,298 24,448 
Expected return on assets(8,609)(8,854)(25,732)(26,522)
Amortization of prior service benefit20 20 59 59 
Total net pension benefits cost$1,382 $905 $3,935 $2,690 
Postretirement Benefits Cost:
Service cost$$12 $14 $35 
Interest cost471 360 1,412 1,081 
Total net postretirement benefits cost$475 $372 $1,426 $1,116 
Total net pension and postretirement benefits cost$1,857 $1,277 $5,361 $3,806