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    <Log type="Info">'Monetary' elements on report '4090 - Disclosure - STOCK-BASED COMPENSATION (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">Process Flow-Through: 0010 - Statement - CONSOLIDATED STATEMENTS OF INCOME</Log>
    <Log type="Info">	Process Flow-Through: Removing column '1 Months Ended
Nov. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '1 Months Ended
Aug. 31, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '1 Months Ended
May 31, 2013'</Log>
    <Log type="Info">Process Flow-Through: 0020 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</Log>
    <Log type="Info">Process Flow-Through: 0030 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 0035 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0050 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>iilg-20130930.xml</File>
    <File>iilg-20130930.xsd</File>
    <File>iilg-20130930_cal.xml</File>
    <File>iilg-20130930_def.xml</File>
    <File>iilg-20130930_lab.xml</File>
    <File>iilg-20130930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
