v3.26.1
Pension Plans and Postretirement Benefits (Tables)
6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost Components of net periodic benefit cost included in net income were as follows:
Pension BenefitsOther Benefits
Three Months Ended
June 30,
Six Months Ended
June 30,
Three Months Ended
June 30,
Six Months Ended
June 30,
20262025202620252026202520262025
(In thousands)
Service cost$4,584 $2,897 $9,289 $4,580 $533 $384 $1,088 $469 
Interest cost16,451 13,782 33,145 25,235 949 869 1,921 1,401 
Expected return on plan assets
(21,901)(16,987)(44,103)(30,991)(480)(487)(960)(973)
Amortization of prior service cost 958 792 1,915 1,583 22 22 44 44 
Net periodic benefit loss
$92 $484 $246 $407 $1,024 $788 $2,093 $941