Pension and Postretirement Benefits

9 Months Ended

Sep. 30, 2018

Compensation And Retirement Disclosure [Abstract]

Pension and Postretirement Benefits

Note 17. Pension and Postretirement Benefits

The components of net periodic benefit cost of our pension and postretirement benefit plans for the three months ended September 30, 2018 and 2017 consist of the following:

	Domestic Plans
	Pension Plans						Postretirement Benefit Plans						Foreign Pension Plans
(in thousands)	2018			2017			2018			2017			2018			2017
Service cost	$	13		$	8		$	4		$	22		$	138		$	138
Interest cost		198			197			129			92			91			120
Expected return on plan assets		(65	)		(55	)		—			—			(126	)		(156	)
Amortization of prior service credit		—			—			(51	)		(107	)		—			—
Recognized net actuarial loss		124			106			187			3			38			48
Net periodic benefit cost	$	270		$	256		$	269		$	10		$	141		$	150

The components of net periodic benefit cost of our pension and postretirement benefit plans for the nine months ended September 30, 2018 and 2017 consist of the following:

	Domestic Plans
	Pension Plans						Postretirement Benefit Plans						Foreign Pension Plans
(in thousands)	2018			2017			2018			2017			2018			2017
Service cost	$	48		$	56		$	60		$	69		$	418		$	396
Interest cost		585			604			337			311			273			348
Expected return on plan assets		(145	)		(162	)		—			—			(382	)		(450	)
Amortization of prior service credit		—			—			(154	)		(323	)		—			—
Recognized net actuarial loss		370			336			304			123			120			137
Net periodic benefit cost	$	858		$	834		$	547		$	180		$	429		$	431

We expect to contribute $1.1 million to our funded pension plans, $1.0 million to our unfunded pension plans, and $1.1 million to our postretirement benefit plans in 2018. During the nine months ended September 30, 2018, we contributed $0.9 million to our funded pension plans, $0.5 million to our unfunded pension plans, and $0.8 million to our postretirement benefit plans.