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UNAUDITED QUARTERLY FINANCIAL INFORMATION
12 Months Ended
Dec. 31, 2011
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]  
UNAUDITED QUARTERLY FINANCIAL INFORMATION
NOTE 21 - UNAUDITED QUARTERLY FINANCIAL INFORMATION
The amounts included in the table below are in thousands, except per share amounts:

   
Quarter Ended
    
   
March
  
June
  
September
  
December
  
Total (a)
 
2011
               
Operating revenues
 $97,085  $84,268  $88,051  $90,330  $359,734 
Utility operating income
 $6,928  $1,227  $4,425  $3,773  $16,353 
                      
Net income
 $8,425  $736  $(8,646) $5,189  $5,704 
                      
Basic earnings per share
 $0.62  $0.05  $(0.65) $0.38  $0.40 
Diluted earnings per share
 $0.62  $0.05  $(0.65) $0.38  $0.40 
                      
2010
                    
Operating revenues
 $91,007  $79,937  $85,392  $85,589  $341,925 
Utility operating income
 $3,255  $1,103  $8,629   4,468  $17,455 
                      
Net income
 $4,202  $1,445  $9,990  $5,317  $20,954 
                      
Basic earnings per share
 $0.35  $0.11  $0.79  $0.40  $1.66 
Diluted earnings per share
 $0.35  $0.11  $0.79  $0.40  $1.66 
 
(a)
The summation of quarterly earnings per share data may not equal annual data due to rounding.