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Distributions will generally be made to the common unitholders and to the General Partner relative to their proportional share of ownership of the Partnership, subject to the payment of incentive distributions as described below to the extent that certain target levels of cash distributions are achieved.&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;Under the quarterly incentive distribution provisions, generally the Partnership&amp;#8217;s General Partner is entitled to &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;13.0%&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; of amounts the Partnership distributes in excess of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.25&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit, &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;23.0%&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; of the amounts the Partnership distributes in excess of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.3125&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit and &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;48.0%&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; of amounts the Partnership distributes in excess of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.375&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit. Incentive distributions totaling &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$1.5 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; and &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$2.9 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; were earned by the Company for the &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;three and six&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; months ended &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;June&amp;#160;30, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, respectively.&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;The Partnership&amp;#8217;s fourth quarter &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;2012&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; distribution on its common and preferred units of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.33&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit was paid on &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;February&amp;#160;14, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; with the preferred units paid-in-kind ("PIK") through the issuance of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;375,382&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; preferred units. The Partnership&amp;#8217;s first quarter &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; distributions on its common and preferred units of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.33&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit were paid on &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;May&amp;#160;13, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, with the preferred units paid-in-kind through the issuance of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;384,731&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; preferred units.  The Partnership declared a second quarter 2013 distribution on its common and preferred units of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.33&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit to be paid on &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;August&amp;#160;12, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, with the distribution on the preferred units to be paid-in-kind.&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&lt;br clear="none"/&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:18px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"&gt;(b)&amp;#160;Issuance of Common Units&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:18px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;In &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;June 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, the Partnership issued &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;8,280,000&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; common units representing limited partner interests in the Partnership (including &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;1,080,000&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; common units issued pursuant to the exercise of the underwriters' option to purchase additional common units) at a public offering price of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$20.33&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per common unit for net proceeds of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$162.0 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.  The net proceeds from the common unit offering were used for capital expenditures for currently identified projects, including the Cajun-Sibon NGL expansion, and for general partnership purposes.  Pending such use, the Partnership repaid outstanding borrowings under its credit facility.  &lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;On &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;January&amp;#160;14, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, the Partnership issued &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;8,625,000&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; common units representing limited partner interests in the Partnership at a public offering price of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$15.15&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per common unit for net proceeds of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$125.4 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.&amp;#160; Concurrent with the public offering, the Partnership issued &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;2,700,000&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; common units representing limited partner interests in the Partnership at an offering price of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$14.55&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; per unit for net proceeds of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$39.2 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.&amp;#160;The net proceeds from both common unit offerings were used for capital expenditures, to repay bank borrowings and for general partnership purposes. &lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:18px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:18px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;In May&amp;#160;2013, the Partnership entered into an Equity Distribution Agreement (the &amp;#8220;EDA&amp;#8221;) with BMO Capital Markets Corp. (&amp;#8220;BMOCM&amp;#8221;).  This EDA replaced the previous equity distribution agreement entered into in March 2013 between BMOCM and the Partnership. Pursuant to the terms of the EDA, the Partnership may from time to time, through BMOCM, as its sales agent, sell common units representing limited partner interests having an aggregate offering price of up to &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$75.0 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.  Sales of such common units will be made by means of ordinary brokers&amp;#8217; transactions through the facilities of the Nasdaq Global Select Market LLC at market prices, in block transactions or as otherwise agreed by BMOCM and the Partnership.&amp;#160; Under the terms of the EDA, the Partnership may sell common units from time to time to BMOCM as principal for its own account at a price to be agreed upon at the time of sale. For any such sales, the Partnership will enter into a separate terms agreement with BMOCM. &lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:center;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:18px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;Through &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;June&amp;#160;30, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;, the Partnership sold an aggregate of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;1,947,576&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; common units under the EDA and prior equity distribution agreement with BMOCM, generating proceeds of approximately &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$36.4&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; million (net of approximately &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$0.6&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; million of commissions to BMOCM). The Partnership used the net proceeds for general partnership purposes, including working capital, capital expenditures and repayments of indebtedness.&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;&lt;br clear="none"/&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-indent:24px;font-size:10pt;"&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;The Company reflects changes in its ownership interest in the Partnership as equity transactions.&amp;#160; The carrying amount of the non-controlling interest is adjusted to reflect the change in the Company&amp;#8217;s ownership interest in the Partnership.&amp;#160; Any difference between the fair value of the consideration received and the amount by which the non-controlling interest is adjusted is recognized in additional paid-in-capital.&amp;#160; The Company&amp;#8217;s book carrying amount per Partnership unit was below the price per unit received by the Partnership for its January&amp;#160;2013, June 2013 and EDA sales of common units, resulting in changes in equity of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$24.2 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.&amp;#160; The changes were recorded as an increase in additional paid-in-capital and a reduction in non-controlling interest during the period ended &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;June&amp;#160;30, 2013&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt;.&amp;#160; The Company also increased its deferred tax liability in the amount of &lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;"&gt;$3.2 million&lt;/font&gt;&lt;font style="font-family:inherit;font-size:10pt;"&gt; relating to the difference between its book and tax investment in the Partnership with the offset to additional paid-in-capital.&lt;/font&gt;&lt;/div&gt;&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for the formation, structure, control and ownership of the partnership. 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