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Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2012
Quarterly Financial Data (Unaudited) [Abstract]  
Quarterly Financial Data (Unaudited)
(10)  Quarterly Financial Data (Unaudited) -

Selected quarterly financial data and earnings per share of the Company are presented below for the years ended December 31, 2012 and 2011 (in thousands, except per share data):

      
Earnings from
  
Net Earnings
  
Dividends
 
      
Continuing Operations
     
Per
     
Per
 
   
Revenues
  
Amount
  
Per Share
  
Amount
  
Share
  
Amount
  
Share
 
                    
 2012 -                   
March 31
  $877,489  $6,050  $1.43  $6,575  $1.56  $-  $- 
June 30
   831,474   5,497   1.31   5,386   1.28   -   - 
September 30
   795,525   8,337   1.98   8,263   1.96   -   - 
December 31
   876,476   7,648   1.81   7,567   1.79   2,615   .62 
Total
  $3,380,964  $27,532  $6.53  $27,791  $6.59  $2,615  $.62 
                               
 2011 -                             
March 31
  $663,846  $5,778  $1.37  $5,583  $1.32  $-  $- 
June 30
   777,538   3,355   .79   3,589   .85   -   - 
September 30
   755,995   9,266   2.20   9,026   2.14   -   - 
December 31
   847,609   5,044   1.19   4,733   1.13   2,404   .57 
Total
  $3,044,988  $23,443  $5.55  $22,931  $5.44  $2,404  $.57 

The above unaudited interim financial data reflect all adjustments that are in the opinion of management necessary to a fair statement of the results for the period presented.  All such adjustments are of a normal recurring nature.