Segment Information

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Segment Information

Note 3 – Segment Information

The following tables present revenues from external customers, intersegment revenues, and segment net income (thousands of dollars):

	Natural Gas Operations			Construction Services		Total
Three months ended September 30, 2013
Revenues from external customers	$	195,031		$	168,200	$	363,231
Intersegment revenues		—			24,115		24,115
Total	$	195,031		$	192,315	$	387,346
Segment net income (loss)	$	(11,939	)	$	9,075	$	(2,864	)
Three months ended September 30, 2012
Revenues from external customers	$	195,573		$	148,855	$	344,428
Intersegment revenues		—			27,371		27,371
Total	$	195,573		$	176,226	$	371,799
Segment net income (loss)	$	(11,389	)	$	7,084	$	(4,305	)

	Natural Gas Operations		Construction Services		Total
Nine months ended September 30, 2013
Revenues from external customers	$	927,500	$	423,500	$	1,351,000
Intersegment revenues		—		61,425		61,425
Total	$	927,500	$	484,925	$	1,412,425
Segment net income	$	69,317	$	18,700	$	88,017
Nine months ended September 30, 2012
Revenues from external customers	$	982,203	$	394,144	$	1,376,347
Intersegment revenues		—		62,865		62,865
Total	$	982,203	$	457,009	$	1,439,212
Segment net income	$	64,609	$	6,329	$	70,938

	Natural Gas Operations		Construction Services		Total
Twelve months ended September 30, 2013
Revenues from external customers	$	1,267,025	$	552,032	$	1,819,057
Intersegment revenues		—		81,934		81,934
Total	$	1,267,025	$	633,966	$	1,900,991
Segment net income	$	121,327	$	29,083	$	150,410
Twelve months ended September 30, 2012
Revenues from external customers	$	1,362,655	$	505,210	$	1,867,865
Intersegment revenues		—		88,998		88,998
Total	$	1,362,655	$	594,208	$	1,956,863
Segment net income	$	113,381	$	12,881	$	126,262