Segment Information
9 Months Ended
Sep. 30, 2011
Segment Information [Abstract] 
Segment Information

Note 14: Segment Information

The Company has two operating segments which are also the Company's two reportable segments referred to as Regulated Businesses and Market-Based Operations.

The following table includes the Company's summarized segment information from continuing operations, except as noted below:

     As of or for the Three Months Ended
September 30, 2011		  
     Regulated
Businesses		      Market-
Based
Operations		      Other     Consolidated  

Net operating revenues

    $ 682,363       $ 91,628       $ (7,541 )    $ 766,450   

Depreciation and amortization

      81,058         1,766         5,600        88,424   

Total operating expenses, net

      417,020         77,548         (9,435 )      485,133   

Income (loss) from continuing operations before income taxes

      209,722         14,682         (17,645 )      206,759   

Total assets (1)

      12,669,871         267,905         1,600,957        14,538,733   

Capital expenditures (2)

      229,120         1,046         0        230,148   

 

     As of or for the Three Months Ended
September 30, 2010		  
     Regulated
Businesses		      Market-
Based
Operations		      Other     Consolidated  

Net operating revenues

    $ 675,087       $ 80,310       $ (6,444 )    $ 748,953   

Depreciation and amortization

      76,381         1,854         5,770        84,005   

Total operating expenses, net

      417,561         71,499         (6,635 )      482,425   

Income (loss) from continuing operations before income taxes

      203,230         9,431         (17,542 )      195,119   

Total assets (1)

      12,201,526         244,394         1,537,755        13,983,675   

Capital expenditures (2)

      193,540         1,271         0        194,811   

 

     As of or for the Nine Months Ended
September 30, 2011		  
     Regulated
Businesses		      Market-
Based
Operations		      Other     Consolidated  

Net operating revenues

    $ 1,805,085       $ 259,916       $ (22,481 )    $ 2,042,520   

Depreciation and amortization

      239,435         5,645         17,947        263,027   

Total operating expenses, net

      1,212,086         232,023         (27,585 )      1,416,524   

Income (loss) from continuing operations before income taxes

      424,804         29,585         (52,932 )      401,457   

Total assets (1)

      12,669,871         267,905         1,600,957        14,538,733   

Capital expenditures (2)

      619,119         2,821         0        621,940   

 

     As of or for the Nine Months Ended
September 30, 2010		  
     Regulated
Businesses		      Market-
Based
Operations		      Other     Consolidated  

Net operating revenues

    $ 1,730,544       $ 230,153       $ (18,814 )    $ 1,941,883   

Depreciation and amortization

      224,609         5,562         16,588        246,759   

Total operating expenses, net

      1,174,728         214,285         (25,537 )      1,363,476   

Income (loss) from continuing operations before income taxes

      391,207         19,679         (53,683 )      357,203   

Total assets (1)

      12,201,526         244,394         1,537,755        13,983,675   

Capital expenditures (2)

      516,598         5,492         0        522,090   

(1) The Regulated Businesses segment includes $943,155 and $926,855 of assets of discontinued operations as of September 30, 2011 and 2010, respectively.

 

(2) The Regulated Businesses segment includes capital expenditures from discontinued operations totaling $15,619 and $17,096 for the nine months and $4,600 and $4,714 for the three months ended September 30, 2011 and 2010, respectively.