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Pension and Other Postretirement Benefits
 9 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Pension and Other Postretirement Benefits Pension and Other Postretirement Benefits
Components of net periodic benefit cost (credit) were as follows:
 Pension BenefitsPostretirement Benefits
 Three months ended September 30,
(in thousands)2025202420252024
Components of net periodic benefit cost (credit)    
Service cost$1,162 $1,327 $80 $84 
Interest cost2,655 2,645 137 129 
Expected return on plan assets(1,936)(1,838)— — 
Settlements1,722 142 — — 
Amortization of net loss (gain)76 60 (258)(252)
Amortization of prior service cost (credit)23 24 (1)(35)
Net periodic benefit cost (credit)$3,702 $2,360 $(42)$(74)
 Pension BenefitsPostretirement Benefits
 Nine months ended September 30,
(in thousands)2025202420252024
Components of net periodic benefit cost (credit)    
Service cost$3,719 $3,958 $241 $250 
Interest cost8,470 8,033 412 389 
Expected return on plan assets(6,078)(5,510)— — 
Settlements1,722 142 — — 
Amortization of net loss (gain)217 177 (775)(760)
Amortization of prior service cost (credit)67 70 (3)(103)
Net periodic benefit cost (credit)$8,117 $6,870 $(125)$(224)
The non-service cost components of net periodic benefit cost (credit) are included in other expense (income), net in the unaudited condensed consolidated statements of operations.