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Segment Information
9 Months Ended
Sep. 30, 2011
Segment Reporting [Abstract] 
Segment Information
SEGMENT INFORMATION
 
The Company principally is engaged in two business segments: the development, acquisition, exploration and production of oil and gas in the continental United States (oil and gas operations) and the purchase, distribution and sale of natural gas in central and north Alabama (natural gas distribution).

 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
(in thousands)
2011
2010
 
2011
2010
Operating revenues
 
 
 
 
 
Oil and gas operations
$
318,952

$
234,111

 
$
779,834

$
706,311

Natural gas distribution
59,616

61,693

 
415,497

498,132

Total
$
378,568

$
295,804

 
$
1,195,331

$
1,204,443

Operating income (loss)
 
 
 
 
 
Oil and gas operations
$
161,331

$
76,644

 
$
351,808

$
289,385

Natural gas distribution
(10,681
)
(9,015
)
 
65,541

69,378

Eliminations and corporate expenses
(238
)
(309
)
 
(721
)
(952
)
Total
$
150,412

$
67,320

 
$
416,628

$
357,811

Other income (expense)
 
 
 
 
 
Oil and gas operations
$
(9,363
)
$
(4,848
)
 
$
(20,632
)
$
(17,274
)
Natural gas distribution
(4,162
)
(2,119
)
 
(10,115
)
(8,882
)
Eliminations and other
94

(463
)
 
182

(1,225
)
Total
$
(13,431
)
$
(7,430
)
 
$
(30,565
)
$
(27,381
)
Income before income taxes
$
136,981

$
59,890

 
$
386,063

$
330,430


(in thousands)
September 30, 2011
December 31, 2010

Identifiable assets
 
 
Oil and gas operations
$
3,752,437

$
3,160,601

Natural gas distribution
1,107,188

1,166,899

Eliminations and other
15,817

36,060

Total
$
4,875,442

$
4,363,560