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Quarterly Financial Data (Tables)
12 Months Ended
Dec. 31, 2012
Results of Operations

The Company’s results of operations by quarter for the years ended December 31, 2012 and 2011 are as follows:

 

     For the Year Ended December 31, 2012:  
     First
Quarter
    Second
Quarter
     Third
Quarter
     Fourth
Quarter
 
     (In thousands)  

Revenues

   $ 138,566      $ 149,063       $ 184,710       $ 214,327   

Operating income

     58,152        60,184         72,038         86,619   

Net income

     16,442        76,041         18,314         42,591   
     For the Year Ended December 31, 2011:  
     First
Quarter
    Second
Quarter
     Third
Quarter
     Fourth
Quarter
 
     (In thousands)  

Revenues

   $ 58,744      $ 67,206       $ 87,596       $ 116,876   

Operating income

     25,544        32,414         40,273         54,336   

Net income (loss)

     (6,847     33,349         66,289         (13,401