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PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)
3 Months Ended
Mar. 31, 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
 March 31, 2025March 31, 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 2,077 15,294 13,376 2,207 15,583 
Expected return on plan assets (15,282)— (15,282)(18,109)— (18,109)
Amortization of actuarial loss 4,026 865 4,891 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)$3,204 $2,129 
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 Ended
(In thousands)March 31, 2025March 31, 2024
Service cost$$
Interest cost 204 272 
Amortization of actuarial loss — 174 
Net periodic postretirement benefit cost$207 $450