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Employee Benefit Plans
6 Months Ended
Jun. 30, 2011
Statement - Employee Benefit Plans  
Employee Benefit Plans

10. Employee Benefit Plans

The components of net periodic benefit costs for the three and six months ended June 30, 2011 and 2010 were as follows (dollars in thousands):

 Three months ended June 30, Six months ended June 30, 
 2011 2010 2011 2010 
Net periodic pension benefit cost:            
Service cost$ 1,597 $ 1,406 $ 3,012 $ 2,492 
Interest cost  1,052   810   1,942   1,723 
Expected return on plan assets  (825)   (803)   (1,469)   (1,289) 
Amortization of prior service cost  94   8   101   15 
Amortization of prior actuarial gain  314   (64)   502   375 
Total$ 2,232 $ 1,357 $ 4,088 $ 3,316 
             
Net periodic other benefits cost:            
Service cost$ 212 $ 149 $ 424 $ 298 
Interest cost  221   168   441   337 
Expected return on plan assets  --   --   --   -- 
Amortization of prior service cost  --   --   --   -- 
Amortization of prior actuarial gain  59   5   118   10 
Total$ 492 $ 322 $ 983 $ 645 

The Company made pension contributions in the amount of $3.0 million in the second quarter of 2011 and expects to make total pension contributions of $4.6 million in 2011.