XML 69 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans
 6 Months Ended
Jun. 30, 2012
Employee Benefit Plans [Abstract]  
Employee Benefit Plans

9. Employee Benefit Plans

The components of net periodic benefit costs for the three and six months ended June 30, 2012 and 2011 were as follows (dollars in thousands):

 Three months ended June 30, Six months ended June 30, 
 2012 2011 2012 2011 
Net periodic pension benefit cost:            
Service cost$ 2,196 $ 1,597 $ 3,728 $ 3,012 
Interest cost  1,090   1,052   2,070   1,942 
Expected return on plan assets  (799)   (825)   (1,533)   (1,469) 
Amortization of prior service cost  87   94   186   101 
Amortization of prior actuarial gain  1,388   314   1,663   502 
Total$ 3,962 $ 2,232 $ 6,114 $ 4,088 
             
Net periodic other benefits cost:            
Service cost$ 279 $ 212 $ 558 $ 424 
Interest cost  258   221   517   441 
Expected return on plan assets  --   --   --   -- 
Amortization of prior service cost  --   --   --   -- 
Amortization of prior actuarial gain  89   59   177   118 
Total$ 626 $ 492 $ 1,252 $ 983 

The Company has made pension contributions of $2.0 million during the first six months of 2012 and expects to make total pension contributions of $6.2 million in 2012.