Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2015			2016
	(In thousands)
Interest cost	$	569		$	592
Expected return on plan assets		(801	)		(735	)
Recognized actuarial losses		326			431
Total	$	94		$	288

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
	March 31,
	2015			2016
	(In thousands)
Interest cost	$	27		$	24
Amortization of prior service credit		(155	)		(135	)
Recognized actuarial gains		(25	)		(38	)
Total	$	(153	)	$	(149	)