Pension Plans and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 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 periods ended March 31, 2022 and 2021 were as follows (in thousands):

	Three Months Ended March 31,
	2022		2021
Pension Benefits Cost (Credit):
Service cost	$	985	$	1,179
Interest cost	5,605		5,119
Expected return on assets	(11,212)		(10,893)
Amortization of prior service benefit	24		29
Total net pension benefits credit	$	(4,598)	$	(4,566)
Postretirement Benefits Cost:
Service cost	$	21	$	31
Interest cost	327		309
Total net postretirement benefits cost	$	348	$	340
Total net pension and postretirement benefits credit	$	(4,250)	$	(4,226)