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PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)
 9 Months Ended
Sep. 30, 2025
Pension Plan  
Pension Benefits  
Schedule of Components of Net Periodic Pension Cost/(Income) and Postretirement Benefit Cost
The components of net periodic pension cost/(income) were as follows:
For the Quarters Ended
 September 30, 2025September 30, 2024
(In thousands)Qualified
Plans		Non-
Qualified
Plans		All
Plans		Qualified
Plans		Non-
Qualified
Plans		All
Plans
Service cost$1,661 $— $1,661 $1,541 $— $1,541 
Interest cost 13,217 2,076 15,293 13,376 2,206 15,582 
Expected return on plan assets (15,282)— (15,282)(18,109)— (18,109)
Amortization of actuarial loss 4,026 866 4,892 2,603 997 3,600 
Amortization of prior service credit (486)— (486)(486)— (486)
Net periodic pension cost/(income)$3,136 $2,942 $6,078 $(1,075)$3,203 $2,128 
For the Nine Months Ended
September 30, 2025September 30, 2024
(In thousands)Qualified
Plans		Non-
Qualified
Plans		All
Plans		Qualified
Plans		Non-
Qualified
Plans		All
Plans
Service cost$4,983 $— $4,983 $4,623 $— $4,623 
Interest cost39,651 6,229 45,880 40,128 6,619 46,747 
Expected return on plan assets(45,846)— (45,846)(54,327)— (54,327)
Amortization of actuarial loss12,078 2,597 14,675 7,809 2,991 10,800 
Amortization of prior service credit(1,458)— (1,458)(1,459)— (1,459)
Effect of settlement— — — — (27)(27)
Net periodic pension cost/(income)$9,408 $8,826 $18,234 $(3,226)$9,583 $6,357 
Other Postretirement Benefit Plan  
Pension Benefits  
Schedule of Components of Net Periodic Pension Cost/(Income) 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, 2025September 30, 2024September 30, 2025September 30, 2024
Service cost$4 $4 $10 $12 
Interest cost 203 272 611 816 
Amortization of actuarial loss — 174 — 522 
Net periodic postretirement benefit cost$207 $450 $621 $1,350