v3.24.3
Pension and Other Postretirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2024
Pension Plan  
Pension Benefits  
Schedule of Components of Net Periodic Pension (Income)/Cost and Postretirement Benefit Cost
The components of net periodic pension (income)/cost were as follows:
For the Quarters Ended
 September 30, 2024September 30, 2023
(In thousands)Qualified
Plans		Non-
Qualified
Plans		All
Plans		Qualified
Plans		Non-
Qualified
Plans		All
Plans
Service cost$1,541 $— $1,541 $1,417 $— $1,417 
Interest cost 13,376 2,206 15,582 14,198 2,296 16,494 
Expected return on plan assets (18,109)— (18,109)(19,122)— (19,122)
Amortization of actuarial loss 2,603 997 3,600 663 890 1,553 
Amortization of prior service credit (486)— (486)(486)— (486)
Net periodic pension (income)/cost$(1,075)$3,203 $2,128 $(3,330)$3,186 $(144)
For the Nine Months Ended
 September 30, 2024September 30, 2023
(In thousands)Qualified
Plans		Non-
Qualified
Plans		All
Plans		Qualified
Plans		Non-
Qualified
Plans		All
Plans
Service cost$4,623 $— $4,623 $4,252 $— $4,252 
Interest cost 40,128 6,619 46,747 42,595 6,887 49,482 
Expected return on plan assets (54,327)— (54,327)(57,367)— (57,367)
Amortization of actuarial loss 7,809 2,991 10,800 1,991 2,669 4,660 
Amortization of prior service credit (1,459)— (1,459)(1,459)— (1,459)
Effect of settlement— (27)(27)— — — 
Net periodic pension (income)/cost$(3,226)$9,583 $6,357 $(9,988)$9,556 $(432)
Other Postretirement Benefit Plan  
Pension Benefits  
Schedule of Components of Net Periodic Pension (Income)/Cost and Postretirement Benefit Cost
The components of net periodic postretirement benefit cost were as follows:
For the Quarters EndedFor the Nine Months Ended
(In thousands)September 30, 2024September 30, 2023September 30, 2024September 30, 2023
Service cost$4 $8 $12 $25 
Interest cost 272 375 816 1,126 
Amortization of actuarial loss 174 486 522 1,455 
Net periodic postretirement benefit cost$450 $869 $1,350 $2,606