Pension and Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2019

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, 2019 and 2018 consist of the following:

	Domestic Plans
	Pension Plans						Postretirement Benefit Plans						Foreign Pension Plans
(in thousands)	2019			2018			2019			2018			2019			2018
Service cost	$	15		$	2		$	20		$	24		$	101		$	142
Interest cost		214			187			124			94			94			92
Expected return on plan assets		(34	)		(35	)		—			—			(122	)		(129	)
Amortization of prior service credit		—			—			(47	)		(84	)		—			—
Recognized net actuarial loss		106			122			77			52			38			41
Net periodic benefit cost	$	301		$	276		$	174		$	86		$	111		$	146