Pension Plans and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Domestic and Foreign Pension and Postretirement Defined Benefit Plans

The components of pension and postretirement benefits cost (credit) for the three-month and nine-month periods ended September 30, 2023 and 2022 were as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Pension Benefits Cost (Credit):
Service cost	$	1,340	$	959	$	3,995	$	2,914
Interest cost	8,587		5,530		25,687		16,703
Expected return on assets	(8,434)		(10,884)		(25,258)		(33,028)
Amortization of prior service benefit	20		21		61		68
Total net pension benefits cost (credit)	$	1,513	$	(4,374)	$	4,485	$	(13,343)
Postretirement Benefits Cost:
Service cost	$	12	$	21	$	36	$	64
Interest cost	467		327		1,404		980
Total net postretirement benefits cost	$	479	$	348	$	1,440	$	1,044
Total net pension and postretirement benefits cost (credit)	$	1,992	$	(4,026)	$	5,925	$	(12,299)