EMPLOYEE BENEFIT PLANS

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

EMPLOYEE BENEFIT PLANS

EMPLOYEE BENEFIT PLANS

Components of net pension expense were as follows:

	Three months ended March 31,
	2021		2020
	(In thousands)
Company-administered plans:
Service cost	$	368	$	3,213
Interest cost	14,535		17,532
Expected return on plan assets	(21,694)		(24,263)
Amortization of net actuarial loss and prior service cost	7,097		7,902
	306		4,384
Multi-employer plans	2,641		2,779
Net pension expense	$	2,947	$	7,163
Company-administered plans:
U.S.	$	2,363	$	6,778
Non-U.S.	(2,057)		(2,394)
	306		4,384
Multi-employer plans	2,641		2,779
Net pension expense	$	2,947	$	7,163

Non-operating pension costs, net include the amortization of net actuarial loss and prior service cost, interest cost and expected return on plan assets components of pension and postretirement benefit costs, as well as any significant charges for settlements or curtailments if recognized. During the three months ended March 31, 2021, we contributed $1 million to our pension plans. In 2021, the expected total contributions to our pension plans are approximately $7 million. We also maintain other postretirement benefit plans that are not reflected in the table above as the amount of postretirement benefit expense for such plans was not material for any period presented.