XML 37 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2012
Employee Benefit Plans [Abstract]  
Schedule Of Defined Benefit Plans Disclosures Text Block
 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