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Benefit Plans
6 Months Ended
Jul. 02, 2011
Benefit Plans

12. Benefit Plans

Components of net periodic benefit cost were as follows:

 

      Three months ended  
      Pension benefits     Post-retirement  

In thousands

   July 2,
2011
    July 3,
2010
    July 2,
2011
    July 3,
2010
 

Service cost

   $ 3,131     $ 2,886     $ 45     $ 50  

Interest cost

     8,225       7,887       472       503  

Expected return on plan assets

     (7,964     (7,710     —          —     

Amortization of transition obligation

     —          6       —          —     

Amortization of prior year service cost (benefit)

     —         8       (7     (7

Recognized net actuarial loss (gains)

     972       406       (827     (823
                                

Net periodic benefit cost (income)

   $ 4,364     $ 3,483     $ (317   $ (277
                                
     Six months ended   
     Pension benefits        Post-retirement   

In thousands

   July 2,
2011
    July 3,
2010
    July 2,
2011
    July 3,
2010
 

Service cost

   $ 6,261     $ 5,772     $ 90     $ 100  

Interest cost

     16,450       15,774       944       1,006  

Expected return on plan assets

     (15,927     (15,420     —          —     

Amortization of transition obligation

     —          12       —          —     

Amortization of prior year service cost (benefit)

     —          16       (14     (14

Recognized net actuarial loss (gains)

     1,943       812       (1,653     (1,646
                                

Net periodic benefit cost (income)

   $ 8,727     $ 6,966     $ (633   $ (554