Segment Information

3 Months Ended

Mar. 31, 2015

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 March 31, 2015
Revenues from external customers	$	553,115	$	161,089		$	714,204
Intersegment revenues		—		20,016			20,016
Total	$	553,115	$	181,105		$	734,220
Segment net income (loss)	$	78,921	$	(6,938	)	$	71,983
Three months ended March 31, 2014
Revenues from external customers	$	486,493	$	98,153		$	584,646
Intersegment revenues		—		23,750			23,750
Total	$	486,493	$	121,903		$	608,396
Segment net income (loss)	$	72,599	$	(1,816	)	$	70,783
	Natural Gas Operations		Construction Services			Total
Twelve months ended March 31, 2015
Revenues from external customers	$	1,448,709	$	710,368		$	2,159,077
Intersegment revenues		—		88,454			88,454
Total	$	1,448,709	$	798,822		$	2,247,531
Segment net income	$	123,194	$	19,132		$	142,326
Twelve months ended March 31, 2014
Revenues from external customers	$	1,293,047	$	555,762		$	1,848,809
Intersegment revenues		—		96,864			96,864
Total	$	1,293,047	$	652,626		$	1,945,673
Segment net income	$	117,476	$	17,854		$	135,330