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Components of Net Periodic Pension Benefit Cost (Tables)
6 Months Ended
Jun. 30, 2012
Components of Net Periodic Pension Benefit Cost [Abstract]  
Net Pension cost of plans
                 
    Three Months Ended June 30,  

In thousands

  2012     2011  

Service cost

  $ 117     $ 114  

Interest cost

    1,960       2,030  

Expected return on plan assets

    (1,683     (1,756

Amortization of prior service cost

    1       12  

Recognized actuarial loss

    1,500       1,130  
   

 

 

   

 

 

 

Net periodic benefit cost

  $ 1,895     $ 1,530  
   

 

 

   

 

 

 
   
    Six Months Ended June 30,  

In thousands

  2012     2011  

Service cost

  $ 233     $ 229  

Interest cost

    3,920       4,059  

Expected return on plan assets

    (3,366     (3,511

Amortization of prior service cost

    2       24  

Recognized actuarial loss

    3,000       2,259  
   

 

 

   

 

 

 

Net periodic benefit cost

  $ 3,789     $ 3,060