Pension and Other Postretirement Benefits

6 Months Ended

Jun. 30, 2013

Pension and Other Postretirement Benefits

Pension and Other Postretirement Benefits

Note 6—Pension and Other Postretirement Benefits

        The components of net periodic benefit cost are as follows (in thousands):

	Pension Benefits						Other Postretirement Benefits
	For the three months ended June 30,						For the three months ended June 30,
	2013			2012			2013		2012
Components of net periodic benefit cost:
Service cost	$	1,766		$	1,498		$	2,486	$	2,018
Interest cost		3,070			3,129			7,198		7,253
Expected return on plan assets		(4,235	)		(4,031	)		—		—
Amortization of prior service cost		66			64			307		261
Amortization of net actuarial loss		2,434			2,313			4,734		3,681
Net periodic benefit cost	$	3,101		$	2,973		$	14,725	$	13,213

	Pension Benefits						Other Postretirement Benefits
	For the six months ended June 30,						For the six months ended June 30,
	2013			2012			2013		2012
Components of net periodic benefit cost:
Service cost	$	3,532		$	2,996		$	4,972	$	4,036
Interest cost		6,140			6,258			14,396		14,506
Expected return on plan assets		(8,470	)		(8,062	)		—		—
Amortization of prior service cost		132			128			614		522
Amortization of net actuarial loss		4,868			4,626			9,468		7,362
Net periodic benefit cost	$	6,202		$	5,946		$	29,450	$	26,426