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Employee Pension Plans (Tables)
3 Months Ended
Mar. 31, 2013
Employee Pension Plans  
Components of Net Periodic Benefit Cost

The following table sets forth the net periodic benefit cost by component for the three months ended March 31, 2013 and 2012:

 

 

 

Three Months Ended March 31,

 

 

 

2013

 

2012

 

 

 

(in thousands)

 

Interest cost

 

$

916

 

$

1,005

 

Expected return on plan assets

 

(1,120

)

(1,186

)

Amortization of net loss

 

1,544

 

1,396

 

Net periodic benefit cost

 

$

1,340

 

$

1,215