The following table details qualified pension and postretirement benefit costs included in the accompanying consolidated statements of income. The service cost component of net periodic pension (credit) cost is recorded in operating expenses in the consolidated statements of income while the remaining components are recorded in “Other income (expense) – net.”


	Three months ended				Six months ended
	June 30,				June 30,
	2025		2024		2025		2024
Pension cost:
Service cost – benefits earned during the period	$	107	$	121	$	214	$	243
Interest cost on projected benefit obligation	401		397		801		793
Expected return on assets	(509)		(552)		(1,016)		(1,105)
Amortization of prior service credit	(12)		(22)		(24)		(44)



Net pension (credit) cost	$	(13)	$	(56)	$	(25)	$	(113)

Postretirement cost:
Service cost – benefits earned during the period	$	5	$	6	$	9	$	11
Interest cost on accumulated postretirement benefit obligation	79		78		159		155
Expected return on assets	(8)		(16)		(18)		(30)
Amortization of prior service credit	(460)		(482)		(919)		(964)


Net postretirement (credit) cost	$	(384)	$	(414)	$	(769)	$	(828)
Combined net pension and postretirement (credit) cost	$	(397)	$	(470)	$	(794)	$	(941)