Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

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,
	2014			2015
	(In thousands)
Interest cost	$	628		$	569
Expected return on plan assets		(852	)		(801	)
Recognized actuarial losses		232			326
Total	$	8		$	94

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,
	2014			2015
	(In thousands)
Interest cost	$	29		$	27
Amortization of prior service credit		(161	)		(155	)
Recognized actuarial gain		(44	)		(25	)
Total	$	(176	)	$	(153	)