Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Segment information for the periods presented below was as follows:

	Pipeline Transportation		Refinery Services			Supply & Logistics			Total
Three Months Ended June 30, 2013
Segment margin (a)	$	26,456	$	18,696		$	25,290		$	70,442
Capital expenditures (b)	$	37,556	$	1,312		$	38,448		$	77,316
Revenues:
External customers	$	19,180	$	54,288		$	1,140,189		$	1,213,657
Intersegment (c)	3,357		(2,812		)	(545		)	—
Total revenues of reportable segments	$	22,537	$	51,476		$	1,139,644		$	1,213,657
Three Months Ended June 30, 2012
Segment margin (a)	$	20,785	$	17,278		$	24,768		$	62,831
Capital expenditures (b)	$	31,901	$	360		$	22,173		$	54,434
Revenues:
External customers	$	13,398	$	50,575		$	949,458		$	1,013,431
Intersegment (c)	3,823		(2,255		)	(1,568		)	—
Total revenues of reportable segments	$	17,221	$	48,320		$	947,890		$	1,013,431
Six Months Ended June 30, 2013
Segment margin (a)	$	51,652	$	36,661		$	54,194		$	142,507
Capital expenditures (b)	$	121,408	$	1,664		$	56,059		$	179,131
Revenues:
External customers	$	36,485	$	106,467		$	2,217,919		$	2,360,871
Intersegment (c)	6,831		(5,507		)	(1,324		)	—
Total revenues of reportable segments	$	43,316	$	100,960		$	2,216,595		$	2,360,871
Six Months Ended June 30, 2012
Segment margin (a)	$	46,132	$	34,527		$	42,424		$	123,083
Capital expenditures (b)	$	278,329	$	1,270		$	63,004		$	342,603
Revenues:
External customers	$	28,374	$	100,948		$	1,844,826		$	1,974,148
Intersegment (c)	8,256		(4,583		)	(3,673		)	—
Total revenues of reportable segments	$	36,630	$	96,365		$	1,841,153		$	1,974,148

Total assets by reportable segment were as follows:

	June 30, 2013		December 31, 2012
Pipeline transportation	$	994,009	$	890,652
Refinery services	419,137		414,170
Supply and logistics	857,068		750,347
Other assets	62,838		54,495
Total consolidated assets	$	2,333,052	$	2,109,664

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

(a) A reconciliation of Segment Margin to income before income taxes for the periods presented is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2013			2012			2013			2012
Segment Margin	$	70,442		$	62,831		$	142,507		$	123,083
Corporate general and administrative expenses	(10,305		)	(8,707		)	(21,142		)	(17,328		)
Depreciation and amortization	(15,670		)	(15,830		)	(30,723		)	(30,609		)
Interest expense	(12,254		)	(10,228		)	(23,695		)	(20,824		)
Distributable cash from equity investees in excess of equity in earnings	(4,891		)	(6,752		)	(11,455		)	(13,485		)
Non-cash items not included in segment margin	960			(1,577		)	(3,335		)	(253		)
Cash payments from direct financing leases in excess of earnings	(1,263		)	(1,249		)	(2,495		)	(2,470		)
Income before income taxes	$	27,019		$	18,488		$	49,662		$	38,114

(b) Capital expenditures include maintenance and growth capital expenditures, such as fixed asset additions (including enhancements to existing facilities and construction of internal growth projects) as well as acquisitions of businesses and interests in equity investees. In addition to construction of internal growth projects, capital spending in our pipeline transportation segment included $1.7 million and $66.2 million during the three and six months ended June 30, 2013 and $17.9 million and $51.4 million during the three and six months ended June 30, 2012 representing capital contributions to our SEKCO equity investee to fund our share of the construction costs for its pipeline. For the six months ended June 30, 2012, capital spending in our pipeline transportation segment also included $205.6 million for the acquisition of interests in several Gulf of Mexico pipelines.

(c) Intersegment sales were conducted under terms that we believe were no more or less favorable than then-existing market conditions.