Pension and Other Postretirement Benefits

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Pension and Other Postretirement Benefits

Pension and Other Postretirement Benefits

Components of net periodic benefit cost (credit) were as follows: 

	Pension Benefits				Postretirement Benefits
	Three months ended June 30,
(in thousands)	2023		2022		2023		2022
Components of net periodic benefit cost (credit)
Service cost	$	1,416	$	1,992	$	96	$	121
Interest cost	2,716		2,217		159		92
Expected return on plan assets	(1,966)		(1,891)		—		—
Settlements	(27)		—		—		—
Amortization of net loss (gain)	24		1,042		(246)		(79)
Amortization of prior service cost (credit)	46		68		(34)		(34)
Net periodic benefit cost (credit)	$	2,209	$	3,428	$	(25)	$	100

Components of net periodic benefit cost were as follows: 

	Pension Benefits				Postretirement Benefits
	Six months ended June 30,
(in thousands)	2023		2022		2023		2022
Components of net periodic benefit cost
Service cost	$	2,850	$	3,999	$	215	$	281
Interest cost	5,659		4,451		331		176
Expected return on plan assets	(3,928)		(3,762)		—		—
Settlements	(27)		—		—		—
Amortization of net loss (gain)	45		1,977		(447)		(231)
Amortization of prior service cost (credit)	92		137		(68)		(68)
Net periodic benefit cost	$	4,691	$	6,802	$	31	$	158

The non-service cost components of net periodic benefit cost are included in other expense, net in the unaudited condensed consolidated statements of operations.