Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Net Pension Income or Postretirement Expense

Net post-retirement expense for our other post-retirement plan includes the following components:

	Three Months Ended
	March 31,			March 31,
	2019			2018
Service cost	$	—		$	1
Interest cost	42			39
Amortization of gain	(41		)	(12		)
Total expense, net	$	1		$	28

Net pension expense for our domestic and foreign plans is as follows:

	Three Months Ended
	March 31,		March 31,
	2019		2018
Net pension expense	$	250	$	79

The components of net pension expense for our domestic and foreign plans include the following: 

	Domestic Pension Plans						Foreign Pension Plans
	Three Months Ended						Three Months Ended
	March 31,			March 31,			March 31,			March 31,
	2019			2018			2019			2018
Service cost	$	—		$	—		$	9		$	11
Interest cost	1,931			1,781			7			11
Expected return on plan assets (1)	(3,047		)	(3,225		)	(4		)	(7		)
Amortization of loss	1,312			1,466			42			42
Total expense, net	$	196		$	22		$	54		$	57

 

(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.