Pension and Other Postretirement Benefits

9 Months Ended

Sep. 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 September 30,						For the three months ended September 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			7,200		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			4,714		3,681
Net periodic benefit cost	$	3,101		$	2,973		$	14,707	$	13,213

	Pension Benefits						Other Postretirement Benefits
	For the nine months ended September 30,						For the nine months ended September 30,
	2013			2012			2013		2012
Components of net periodic benefit cost:
Service cost	$	5,298		$	4,494		$	7,458	$	6,054
Interest cost		9,210			9,387			21,596		21,759
Expected return on plan assets		(12,705	)		(12,093	)		—		—
Amortization of prior service cost		198			192			921		783
Amortization of net actuarial loss		7,302			6,939			14,182		11,043
Net periodic benefit cost	$	9,303		$	8,919		$	44,157	$	39,639