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Employee Benefit Plans
6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
The Company has a defined benefit pension plan which is frozen, that covers certain U.S. hourly and salary 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 as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013

2012
 
2013
 
2012
Interest cost
$
528

 
$
552

 
$
1,056

 
$
1,104

Expected return on plan assets
(676
)
 
(662
)
 
(1,352
)
 
(1,324
)
Amortization of net loss
337

 
244

 
674

 
487

Total net periodic pension expense
$
189

 
$
134

 
$
378

 
$
267