v2.4.0.8

Subsequent Events (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 14, 2014 | Nov. 14, 2013 | Aug. 14, 2013 | May 15, 2013 | Feb. 14, 2013 | Dec. 31, 2013 | May 15, 2014 Scenario, Forecast | Jun. 30, 2014 Scenario, Forecast | May 06, 2014 Subsequent Event [Member] Commercial Paper [Member]
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  |  |  |  |  |  |  | $ 1,000,000,000.0
Cash distribution per unit | $ 0.585 | $ 0.5575 | $ 0.5325 | $ 0.50750 | $ 0.5000 | $ 2.0975 | $ 0.6125 | [1] | $ 1.1975 |
Total cash distributions | $ 132,835,000 | $ 126,374,000 | $ 120,707,000 | $ 115,040,000 | $ 113,340,000 | $ 475,461,000 | $ 139,079,000 | [1] | $ 271,914,000 |
[1] | Our general partner's board of directors declared this cash distribution on April 24, 2014 to be paid on May 15, 2014 to unitholders of record at the close of business on May 8, 2014.

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The amount of the distribution per unit of limited partner interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 + Details
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