v3.25.2
Postretirement benefits (Tables)
6 Months Ended
Jun. 30, 2025
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]  
Components of net periodic benefit income
Postretirement benefit income is included in other income, net on the consolidated statements of comprehensive income and consisted of the following components:
Quarter Ended
June 30,
Six Months Ended
June 30,
(in thousands)2025202420252024
Interest cost$397 $435 $794 $871 
Expected return on plan assets(2,137)(2,099)(4,273)(4,197)
Amortization of prior service credit(355)(355)(711)(711)
Amortization of net actuarial losses212 334 424 667 
Net periodic benefit income$(1,883)$(1,685)$(3,766)$(3,370)