Pensions and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The composition of the net periodic benefit cost/(income) for the three months ended March 31, 2024 and 2023, was as follows:

	Pension plans				Other postretirement benefits
(in thousands)	2024		2023		2024		2023
Components of net periodic benefit cost/(income):
Service cost	$	497	$	281	$	12	$	15
Interest cost	1,532		1,063		354		468
Expected return on assets	(1,358)		(971)		—		—
Amortization of prior service cost/(income)	(7)		(8)		(31)		(1,023)
Amortization of net actuarial loss	187		139		(9)		207
Net periodic benefit cost/(credit)	$	851	$	504	$	326	$	(333)