Employee Benefit Plans

3 Months Ended

Mar. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The Company has one defined benefit pension plan which is frozen that covers certain U.S. hourly and salaried employees. The defined benefit plan provides benefits based primarily on the participants’ years of service and compensation.

The following table sets forth the components of net periodic pension expense for the three months ended March 31, 2012 and 2011:

	Three Months Ended March 31,
	2012			2011
Interest cost	$	552		$	603
Expected return on plan assets	(662		)	(644		)
Amortization of net loss	243			91
Total pension expense	$	133		$	50