Pension Benefits (Tables)

6 Months Ended

Jun. 30, 2013

Pension Benefits

Summary of pension costs

The following summarizes our pension costs during the three-month and six-month periods ended June 30, 2013 and 2012 (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Service cost	$	305		$	287		$	592		$	575
Interest cost	2,202			2,306			4,432			4,613
Expected return on plan assets	(3,063		)	(2,745		)	(6,132		)	(5,491		)
Amortization of net actuarial loss	186			167			388			333
Total net periodic (benefit) cost	$	(370	)	$	15		$	(720	)	$	30

Schedule of weighted average assumptions used to determine net cost

Weighted-Average Assumptions Used To Determine Net Cost

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Discount rate	3.85	%	4.30	%	3.85	%	4.30	%
Rate of compensation increase	N/A		N/A		N/A		N/A
Expected return on plan assets	7.50	%	7.50	%	7.50	%	7.50	%