Pension and Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost of Pension and Postretirement Benefit Plans

The components of net periodic benefit cost of our pension and postretirement benefit plans for the three months ended March 31, 2021 and 2020 consist of the following:

	Domestic Plans
	Pension Plans						Postretirement Benefit Plans						Foreign Pension Plans
(in thousands)	2021			2020			2021			2020			2021			2020
Service cost	$	—		$	—		$	13		$	15		$	113		$	110
Interest cost		114			160			55			88			76			84
Expected return on plan assets		(27	)		(1	)		—			—			(125	)		(131	)
Amortization of prior service credit		—			—			(1	)		(36	)		—			—
Recognized net actuarial loss		151			135			56			82			49			46
Net periodic benefit cost	$	238		$	294		$	123		$	149		$	113		$	109