Pension Plans and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2022

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, 2022 and 2021 were as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Pension Benefits Cost (Credit):
Service cost	$	959	$	1,425	$	2,914	$	3,776
Interest cost	5,530		5,113		16,703		15,352
Expected return on assets	(10,884)		(10,893)		(33,028)		(32,687)
Amortization of prior service benefit	21		29		68		87
Total net pension benefits credit	$	(4,374)	$	(4,326)	$	(13,343)	$	(13,472)
Postretirement Benefits Cost:
Service cost	$	21	$	31	$	64	$	93
Interest cost	327		309		980		928
Total net postretirement benefits cost	$	348	$	340	$	1,044	$	1,021
Total net pension and postretirement benefits credit	$	(4,026)	$	(3,986)	$	(12,299)	$	(12,451)