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    <Log type="Info">Element us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_InterestAndDebtExpense had a mix of decimals attribute values: -5 -4.</Log>
    <Log type="Info">Element us-gaap_PartnersCapitalAccountDistributions had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">'Monetary' elements on report '4020 - Disclosure - Initial Public Offering (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4030 - Disclosure - Acquisitions (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4040 - Disclosure - Discontinued Operations and Assets Held for Sale (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4050 - Disclosure - Property and Equipment (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4060 - Disclosure - Goodwill and Intangible Assets (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4070 - Disclosure - Debt (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4080 - Disclosure - Lease Financing Obligations (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4160 - Disclosure - Income Taxes (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4180 - Disclosure - Related-Party Transactions (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 0010 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2012
Predecessor'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011
Predecessor'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2013
Limited Partners' Interest Common Unit-Public'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2012
Limited Partners' Interest Common Unit-Public'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2013
Limited Partners' Interest Common Unit-Affiliates'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2012
Limited Partners' Interest Common Unit-Affiliates'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2013
Limited Partners' Interest Subordinated Unit-Affiliates'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2012
Limited Partners' Interest Subordinated Unit-Affiliates'</Log>
    <Log type="Info">Process Flow-Through: 0015 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0020 - Statement - Condensed Consolidated and Combined Statements of Operations</Log>
    <Log type="Info">Process Flow-Through: 0040 - Statement - Condensed Consolidated Statement and Combined Statements of Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>lgp-20130331.xml</File>
    <File>lgp-20130331.xsd</File>
    <File>lgp-20130331_cal.xml</File>
    <File>lgp-20130331_def.xml</File>
    <File>lgp-20130331_lab.xml</File>
    <File>lgp-20130331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
