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BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
Components of Net Periodic Benefit Cost

The following tables set forth the components of net periodic benefit cost:

 

PENSION BENEFITS    Three Months Ended
March 31
 
in thousands    2013     2012  

Components of Net Periodic Benefit Cost

    

Service cost

     $6,070        $5,587   

Interest cost

     10,346        10,798   

Expected return on plan assets

     (11,759     (12,195

Amortization of prior service cost

     95        69   

Amortization of actuarial loss

     6,420        4,882   

Net periodic pension benefit cost

     $11,172        $9,141   

Pretax reclassification from AOCI included in net periodic pension benefit cost

         $6,515            $4,951   

 

OTHER POSTRETIREMENT BENEFITS    Three Months Ended
March 31
 
in thousands    2013     2012  

Components of Net Periodic Benefit Cost

    

Service cost

       $708        $1,166   

Interest cost

     815        1,562   

Amortization of prior service credit

     (1,216     (169

Amortization of actuarial loss

              343        287   

Net periodic postretirement benefit cost

     $650            $2,846   

Pretax reclassification from AOCI included in net periodic postretirement benefit cost

     ($873     $118