Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

Defined Benefit Pension Plans

Components of Net Periodic Defined Benefit Cost (Income)

Defined benefit plans – The components of net periodic defined benefit pension cost are presented in the table below.

	Three months ended						Six months ended
	June 30,						June 30,
	2016			2017			2016			2017
	(In thousands)
Interest cost	$	601		$	506		$	1,193		$	1,012
Expected return on plan assets		(736	)		(689	)		(1,471	)		(1,378	)
Recognized actuarial losses		477			394			908			788
Total	$	342		$	211		$	630		$	422

OPEB

Components of Net Periodic Defined Benefit Cost (Income)

Postretirement benefits – The components of net periodic postretirement benefits other than pension (OPEB) income are presented in the table below.

	Three months ended						Six months ended
	June 30,						June 30,
	2016			2017			2016			2017
	(In thousands)
Interest cost	$	24		$	20		$	48		$	40
Amortization of prior service credit		(136	)		-			(271	)		-
Recognized actuarial gains		(38	)		(54	)		(76	)		(108	)
Total	$	(150	)	$	(34	)	$	(299	)	$	(68	)