Employee Benefit Plans

6 Months Ended

Jun. 30, 2012

Employee Benefit Plans

11. Employee Benefit Plans

A summary of the net periodic benefit (credit) follows:

	Three Months Ended						Six Months Ended
	June 30, 2012			June 30, 2011			June 30, 2012			June 30, 2011
Service cost	$	(615	)	$	999		$	425		$	3,013
Interest cost		(491	)		307			390			651
Expected return on assets		1,382			(787	)		(1,225	)		(1,628	)
Prior service costs		(220	)		173			218			351
Actuarial loss		—			—			—			—
Curtailment charges		—			1,713			—			1,713
Settlement charges		963						963
Net periodic pension cost	$	1,019		$	2,405		$	771		$	4,100

The Company remeasures its plan assets and benefit obligation at each December 31. No events occurred during the three and six months ended June 30, 2012 which would require the Company to remeasure its plan assets or benefit obligation.