Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2020

Pension Plans

Defined Benefit Plan Disclosure [Line Items]

Net Pension Income or Postretirement Expense

Net pension expense for our domestic and foreign plans included in other income (expense) in the Condensed Consolidated Statement of Earnings is as follows:

	Three months ended				Nine months ended
	September 30,		September 30,		September 30,		September 30,
	2020		2019		2020		2019
Net pension expense	$	666	$	250	$	1,996	$	749

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
	September 30,			September 30,			September 30,			September 30,
	2020			2019			2020			2019
Service cost	$	—		$	—		$	8		$	9
Interest cost		1,443			1,931			6			8
Expected return on plan assets(1)		(2,454	)		(3,046	)		(3	)		(4	)
Amortization of loss		1,622			1,311			44			41
Total expense, net	$	611		$	196		$	55		$	54

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

	Domestic Pension Plans						Foreign Pension Plans
	Nine Months Ended						Nine Months Ended
	September 30,			September 30,			September 30,			September 30,
	2020			2019			2020			2019
Service cost	$	—		$	—		$	23		$	27
Interest cost		4,329			5,793			19			23
Expected return on plan assets(1)		(7,362	)		(9,140	)		(10	)		(13	)
Amortization of loss		4,866			3,934			131			125
Total expense, net	$	1,833		$	587		$	163		$	162

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

Other Postretirement Benefits Plan

Defined Benefit Plan Disclosure [Line Items]

Net Pension Income or Postretirement Expense

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

	Three Months Ended						Nine Months Ended
	September 30,			September 30,			September 30,			September 30,
	2020			2019			2020			2019
Service cost	$	1		$	—		$	1		$	1
Interest cost		30			42			90			127
Amortization of gain		(20	)		(42	)		(64	)		(125	)
Total expense, net	$	11		$	—		$	27		$	3