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Business Segment Information (Schedule Of Segment Information) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment margin |  |  |  |  |  |  |  |  | $ 262,333 | [1] | $ 202,501 | [1] | $ 149,564 | [1]
Capital expenditures |  |  |  |  |  |  |  |  | 426,298 | [2] | 186,994 | [2] | 336,730 | [2]
External customers |  |  |  |  |  |  |  |  | 4,070,057 |  | 3,089,669 |  | 2,101,324 |
Intersegment |  |  |  |  |  |  |  |  | 0 | [3] | 0 | [3] | 0 | [3]
Total revenues | 1,054,072 | 1,041,837 | 1,013,431 | 960,717 | 806,881 | 830,200 | 762,790 | 689,798 | 4,070,057 |  | 3,089,669 |  | 2,101,324 |
Pipeline Transportation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment margin |  |  |  |  |  |  |  |  | 96,539 | [1] | 67,908 | [1] | 48,305 | [1]
Capital expenditures |  |  |  |  |  |  |  |  | 328,710 | [2] | 14,501 | [2] | 333,557 | [2]
External customers |  |  |  |  |  |  |  |  | 61,706 |  | 50,391 |  | 45,367 |
Intersegment |  |  |  |  |  |  |  |  | 14,584 | [3] | 11,799 | [3] | 10,285 | [3]
Total revenues |  |  |  |  |  |  |  |  | 76,290 |  | 62,190 |  | 55,652 |
Refinery Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment margin |  |  |  |  |  |  |  |  | 72,883 | [1] | 74,618 | [1] | 62,923 | [1]
Capital expenditures |  |  |  |  |  |  |  |  | 2,692 | [2] | 1,846 | [2] | 1,433 | [2]
External customers |  |  |  |  |  |  |  |  | 205,110 |  | 210,394 |  | 158,456 |
Intersegment |  |  |  |  |  |  |  |  | (9,093) | [3] | (8,683) | [3] | (7,396) | [3]
Total revenues |  |  |  |  |  |  |  |  | 196,017 |  | 201,711 |  | 151,060 |
Supply And Logistics [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment margin |  |  |  |  |  |  |  |  | 92,911 | [1] | 59,975 | [1] | 38,336 | [1]
Capital expenditures |  |  |  |  |  |  |  |  | 94,896 | [2] | 170,647 | [2] | 1,740 | [2]
External customers |  |  |  |  |  |  |  |  | 3,803,241 |  | 2,828,884 |  | 1,897,501 |
Intersegment |  |  |  |  |  |  |  |  | (5,491) | [3] | (3,116) | [3] | (2,889) | [3]
Total revenues |  |  |  |  |  |  |  |  | 3,797,750 |  | 2,825,768 |  | 1,894,612 |
SEKCO [Member] | Pipeline Transportation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 63,700 |  |  |  |  |
Gulf Of Mexico Crude Oil Pipelines [Member] | Pipeline Transportation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 205,600 |  |  |  |  |
Barge Assets [Member] | Supply And Logistics [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | $ 30,900 |  |  |  |  |
[1] | A reconciliation of Segment Margin to income (loss) before income taxes for each year presented is as follows: Year Ended December 31, 2012 2011 2010Segment margin$262,333 $202,501 $149,564Corporate general and administrative expenses(38,372) (31,685) (110,058)Depreciation, amortization and impairment(61,166) (62,190) (53,569)Interest expense(40,921) (35,767) (22,924)Distributable cash from equity investees in excess of equity in earnings(24,464) (16,681) (2,284)Non-cash items not included in segment margin(5,280) (1,531) (4,479)Cash payments from direct financing leases in excess of earnings(5,016) (4,615) (4,203)Income (loss) before income taxes$87,114 $50,032 $(47,953)
[2] | 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. Capital spending in our pipeline transportation segment included $63.7 million during the year ended December 31, 2012 representing capital contributions to our SEKCO equity investee to fund our share of the construction costs for its pipeline. During the same period, capital spending in our pipeline transportation segment also included $205.6 million for the acquisition of interests in several Gulf of Mexico pipelines. During 2012, capital spending in our supply and logistics segment also included $30.9 million for the purchase of barge assets.
[3] | Intersegment sales were conducted under terms that we believe were no more or less favorable than then-existing market conditions.

X
- Definition Revenues less product costs, operating expenses (excluding non-cash charges such as depreciation and amortization), and segment general and administrative expenses, plus our equity in distributable cash generated by our equity investees. Also excludes the non-cash effects of our stock appreciation rights compensation plan and includes the non-income portion of payments received under direct financing leases. + References No definition available. + Details
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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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