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Retirement Plans
9 Months Ended
Sep. 30, 2012
Retirement Plans
Note 5: Retirement Plans

   
Three Months Ended
 
   
September 30, 2012
   
September 30, 2011
 
(in thousands)
           
Service cost
  $ 251     $ 236  
Interest cost
    446       447  
Expected return on plan assets
    (691 )     (565 )
Amortization of prior service cost
    0       1  
Amortization of net loss
    298       112  
Net periodic pension cost
  $ 304     $ 231  
 
   
Nine Months Ended
 
   
September 30, 2012
   
September 30, 2011
 
(in thousands)
           
Service cost
  $ 755     $ 708  
Interest cost
    1,341       1,341  
Expected return on plan assets
    (2,076 )     (1,692 )
Amortization of prior service cost
    0       3  
Amortization of net loss
    892       333  
Net periodic pension cost
  $ 912     $ 693  

The Company currently expects to contribute a minimum of $1.080 million to its pension plans in 2012, of which $1.021 million was contributed in the first nine months of 2012. The weighted-average discount rate assumed in the actuarial calculation of the benefit obligation for 2012 was 4.50 percent.