v3.25.2
Pension and Postretirement Plans (Tables)
 6 Months Ended
Jun. 30, 2025
Defined Benefit Pension Plan [Member]  
Schedule of Net Benefit Costs The total benefit arising from the Company’s defined benefit pension plans consists of the following components:
  Three Months Ended 
 June 30		Six Months Ended 
 June 30
(in thousands)2025202420252024
Service cost$11,699 $14,071 $23,891 $28,105 
Interest cost6,956 11,246 13,377 22,440 
Expected return on assets(41,881)(41,239)(83,852)(82,929)
Amortization of prior service credit(521)(482)(1,040)(976)
Recognized actuarial gain— (11,263)— (23,781)
Net Periodic Benefit(23,747)(27,667)(47,624)(57,141)
Special separation benefit expense
6,015 16,410 6,639 16,828 
Total Benefit$(17,732)$(11,257)$(40,985)$(40,313)
Schedule of Allocation of Plan Assets The assets of the Company’s pension plans were allocated as follows:
  As of
  June 30,
2025		December 31,
2024
  
U.S. equities59 %64 %
Private investment funds17 %19 %
International equities19 %12 %
U.S. fixed income5 %5 %
  100 %100 %
Supplemental Executive Retirement Plan (SERP) [Member]  
Schedule of Net Benefit Costs
The total cost arising from the Company’s Supplemental Executive Retirement Plan (SERP) consists of the following components:
  Three Months Ended 
 June 30		Six Months Ended 
 June 30
(in thousands)2025202420252024
Service cost$238 $288 $477 $575 
Interest cost1,197 1,129 2,394 2,257 
Net Periodic Cost$1,435 $1,417 $2,871 $2,832 
Other Postretirement Benefit Plan, Defined Benefit [Member]  
Schedule of Net Benefit Costs
Other Postretirement Plans. The total benefit arising from the Company’s other postretirement plans consists of the following components:
  Three Months Ended 
 June 30		Six Months Ended 
 June 30
(in thousands)2025202420252024
Interest cost$12 $14 $22 $28 
Recognized actuarial gain(380)(470)(759)(939)
Net Periodic Benefit$(368)$(456)$(737)$(911)