Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Defined Benefit Pension Plans

Components of Net Periodic Defined Benefit Cost (Income)

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

	Three months ended						Nine months ended
	September 30,						September 30,
	2015			2016			2015			2016
	(In thousands)
Interest cost	$	597		$	585		$	1,801		$	1,778
Expected return on plan assets		(840	)		(723	)		(2,516	)		(2,194	)
Recognized actuarial losses		349			406			1,025			1,314
Total	$	106		$	268		$	310		$	898

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						Nine months ended
	September 30,						September 30,
	2015			2016			2015			2016
	(In thousands)
Interest cost	$	27		$	24		$	81		$	72
Amortization of prior service credit		(155	)		(135	)		(466	)		(406	)
Recognized actuarial gains		(25	)		(38	)		(76	)		(114	)
Total	$	(153	)	$	(149	)	$	(461	)	$	(448	)