Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2021

Pension Plans

Defined Benefit Plan Disclosure [Line Items]

Net Pension Expense or Postretirement Expense

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

	Three months ended
	March 31,		March 31,
	2021		2020
Net pension expense	$	1,957	$	664

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,
	2021			2020			2021			2020
Service cost	$	—		$	—		$	6		$	7
Interest cost		1,253			1,443			4			7
Expected return on plan assets(1)		(1,113	)		(2,454	)		(3	)		(4	)
Amortization of loss		1,767			1,622			43			43
Total expense, net	$	1,907		$	611		$	50		$	53

(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 Expense or Postretirement Expense

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

	Three Months Ended
	March 31,		March 31,
	2021		2020
Service cost	$	—	$	—
Interest cost		23		30
Amortization of gain		—		(21	)
Total expense, net	$	23	$	9