EMPLOYEE BENEFIT PLANS

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

EMPLOYEE BENEFIT PLANS

EMPLOYEE BENEFIT PLANS

Components of net pension expense were as follows:

	Three months ended June 30,					Six months ended June 30,
	2018			2017		2018			2017
	(In thousands)
Pension Benefits
Company-administered plans:
Service cost	$	3,095		3,017		$	6,296		6,266
Interest cost	19,098			21,426		38,850			42,915
Expected return on plan assets	(25,065		)	(22,712	)	(50,899		)	(45,190	)
Amortization of:
Net actuarial loss	6,914			8,077		14,286			16,527
Prior service cost	144			121		289			266
	4,186			9,929		8,822			20,784
Union-administered plans	2,524			2,621		4,870			5,123
Net pension expense	$	6,710		12,550		$	13,692		25,907
Company-administered plans:
U.S.	$	6,665		10,547		$	14,022		21,858
Non-U.S.	(2,479		)	(618	)	(5,200		)	(1,074	)
	4,186			9,929		8,822			20,784
Union-administered plans	2,524			2,621		4,870			5,123
Net pension expense	$	6,710		12,550		$	13,692		25,907

During the six months ended June 30, 2018, we contributed $19 million to our pension plans. In 2018, the expected total contributions to our pension plans are approximately $28 million. We also maintain other postretirement benefit plans that are not reflected in the above table. The amount of postretirement benefit expense was not material for the three and six months ended June 30, 2018.