Employee benefit plans

6 Months Ended

Jun. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Employee benefit plans

Note 11—Employee benefit plans:

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

	Three months ended June  30,						Six months ended June  30,
	2012			2013			2012			2013
	(In thousands)
Interest cost	$	643		$	526		$	1,271		$	1,098
Expected return on plan assets		(915	)		(986	)		(1,829	)		(1,986	)
Recognized actuarial losses		331			306			662			615
Total	$	59		$	(154	)	$	104		$	(273	)

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

	Three months ended June  30,						Six months ended June  30,
	2012			2013			2012			2013
	(In thousands)
Interest cost	$	40		$	26		$	79		$	52
Amortization of prior service credit		(175	)		(171	)		(349	)		(342	)
Recognized actuarial gain		(25	)		(37	)		(50	)		(74	)
Total	$	(160	)	$	(182	)	$	(320	)	$	(364	)

Contributions—We currently expect our 2013 contributions to our defined benefit pension plans and other postretirement plans to be approximately $2.4 million.