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| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of full service, casual dining restaurant brands owned and operated by the entity as of the balance sheet date. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of full service, casual dining restaurant brands owned and operated </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 3 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> irg_NumberOfRestaurantsOwnedAndOperated </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_M0409_MacParentLLCMember" UnitID="Restaurant"> |
| <Id> 3 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 186 </NumericAmount> |
| <RoundedNumericAmount> 186 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_JoesCrabShackMember" UnitID="Restaurant"> |
| <Id> 4 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 134 </NumericAmount> |
| <RoundedNumericAmount> 134 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_BrickHouseTavernAndTapMember" UnitID="Restaurant"> |
| <Id> 5 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 16 </NumericAmount> |
| <RoundedNumericAmount> 16 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_RomanosMacaroniGrillRestaurantsMember" UnitID="Restaurant"> |
| <Id> 6 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 186 </NumericAmount> |
| <RoundedNumericAmount> 186 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of restaurants owned and operated under each brand name by the entity as of the balance sheet date. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of restaurants owned and operated </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 4 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_NumberOfStatesInWhichEntityOperates </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="I2013Q2" UnitID="State"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 36 </NumericAmount> |
| <RoundedNumericAmount> 36 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_M0409_MacParentLLCMember" UnitID="State"> |
| <Id> 3 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 36 </NumericAmount> |
| <RoundedNumericAmount> 36 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> The number of states the entity operates in as of the balance sheet date. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of states in which the entity owns and operates restaurants </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 5 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> irg_NumberOfUSAndNonUSFranchisedRestaurants </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_RomanosMacaroniGrillRestaurantsMember" UnitID="Restaurant"> |
| <Id> 6 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 24 </NumericAmount> |
| <RoundedNumericAmount> 24 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of restaurants franchised by the entity within the United States and foreign countries. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of restaurants franchised </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 6 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> irg_BusinessAcquisitionOwnershipPercentageAcquiredFromHoldingEntities </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_M0409_MacParentLLCMember" UnitID="Pure"> |
| <Id> 3 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0.83 </NumericAmount> |
| <RoundedNumericAmount> 0.83 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> num:percentItemType </ElementDataType> |
| | | <SimpleDataType> pure </SimpleDataType> |
| | | <ElementDefenition> Represents the ownership percentage acquired from two holding entities. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Ownership percentage acquired from two holding entities </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 7 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> irg_NumberOfEntitiesHoldingSpecifiedOwnershipPercentage </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_M0409_MacParentLLCMember" UnitID="Item"> |
| <Id> 3 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 2 </NumericAmount> |
| <RoundedNumericAmount> 2 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of holding entities that own 83 % ownership. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of holding entities that own 83 % ownership </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 8 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> irg_BusinessAcquisitionOwnershipPercentageAcquiredFromOtherInvestor </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> instant </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="I2013Q2_M0409_MacParentLLCMember" UnitID="Pure"> |
| <Id> 3 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0.17 </NumericAmount> |
| <RoundedNumericAmount> 0.17 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> num:percentItemType </ElementDataType> |
| | | <SimpleDataType> pure </SimpleDataType> |
| | | <ElementDefenition> Represents the ownership percentage acquired from other investors. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Ownership percentage acquired from other investors </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 9 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 4 </Level> |
| | | <ElementName> us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction </ElementName> |
| | | <ElementPrefix> us-gaap_ </ElementPrefix> |
| | | <IsBaseElement> true </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="D2013Q2YTD_ParentCompanyMember" UnitID="Pure"> |
| <Id> 2 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0.68 </NumericAmount> |
| <RoundedNumericAmount> 0.68 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> true </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> num:percentItemType </ElementDataType> |
| | | <SimpleDataType> pure </SimpleDataType> |
| | | <ElementDefenition> Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction. </ElementDefenition> |
| | | <ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section H </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Percentage of total outstanding common stock owned by the entity </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 10 </Id> |
| | | <IsAbstractGroupTitle> true </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 2 </Level> |
| | | <ElementName> irg_FiscalYearAbstract </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 1 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:stringItemType </ElementDataType> |
| | | <SimpleDataType> string </SimpleDataType> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 0 </UnitID> |
| | | <Label> Fiscal Year </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 11 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> irg_NumberOfWeeksInFirstThreeQuartersOfFiscalYearBeforeChangeInQuarterlyAccountingPeriod </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="D2013Q2YTD" UnitID="Week"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 12 </NumericAmount> |
| <RoundedNumericAmount> 12 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of weeks in the first three quarters for the entity's fiscal years before the change in quarterly accounting periods. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of weeks in first three quarters of fiscal year before the change in accounting periods </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 12 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> irg_NumberOfWeeksInFourthQuarterForFiftyTwoWeekFiscalYearsBeforeChangeInQuarterlyAccountingPeriod </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="D2013Q2YTD" UnitID="Week"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 16 </NumericAmount> |
| <RoundedNumericAmount> 16 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of weeks in the fourth quarter for the entity's 52-week fiscal years before changes in quarterly accounting period. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of weeks in the fourth quarter for the 52-week fiscal years before changes in quarterly accounting period </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 13 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> irg_NumberOfWeeksInFourthQuarterForFiftyThreeWeekFiscalYearsBeforeChangeInQuarterlyAccountingPeriod </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="D2013Q2YTD" UnitID="Week"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 17 </NumericAmount> |
| <RoundedNumericAmount> 17 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of weeks in the fourth quarter for the 53-week fiscal years before changes in quarterly accounting period. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of weeks in the fourth quarter for the 53-week fiscal years before changes in quarterly accounting period </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 14 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> irg_NumberOfWeeksInQuarter </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="D2013Q2YTD" UnitID="Week"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 13 </NumericAmount> |
| <RoundedNumericAmount> 13 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of weeks in a quarter for the entity's fiscal year. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of weeks in a quarter </Label> |
| | | </Row> |
| | <Row FlagID="0"> |
| | | <Id> 15 </Id> |
| | | <IsAbstractGroupTitle> false </IsAbstractGroupTitle> |
| | | <LabelSeparator> </LabelSeparator> |
| | | <Level> 3 </Level> |
| | | <ElementName> irg_NumberOfWeeksInFourthQuarterForFiftyThreeWeekFiscalYear </ElementName> |
| | | <ElementPrefix> irg_ </ElementPrefix> |
| | | <IsBaseElement> false </IsBaseElement> |
| | | <BalanceType> na </BalanceType> |
| | | <PeriodType> duration </PeriodType> |
| | | <IsReportTitle> false </IsReportTitle> |
| | | <IsSegmentTitle> false </IsSegmentTitle> |
| | | <IsCalendarTitle> false </IsCalendarTitle> |
| | | <IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow> |
| | | <IsEquityAdjustmentRow> false </IsEquityAdjustmentRow> |
| | | <IsBeginningBalance> false </IsBeginningBalance> |
| | | <IsEndingBalance> false </IsEndingBalance> |
| | | <IsReverseSign> false </IsReverseSign> |
| | | <PreferredLabelRole> terseLabel </PreferredLabelRole> |
| | | <FootnoteIndexer/> |
| | | <Cells> |
| <Cell FlagID="0" ContextID="D2013Q2YTD" UnitID="Week"> |
| <Id> 1 </Id> |
| <IsNumeric> true </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 14 </NumericAmount> |
| <RoundedNumericAmount> 14 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 2 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 3 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 4 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 5 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| <Cell FlagID="0" ContextID="" UnitID=""> |
| <Id> 6 </Id> |
| <IsNumeric> false </IsNumeric> |
| <IsRatio> false </IsRatio> |
| <DisplayZeroAsNone> false </DisplayZeroAsNone> |
| <NumericAmount> 0 </NumericAmount> |
| <RoundedNumericAmount> 0 </RoundedNumericAmount> |
| <NonNumbericText/> |
| <FootnoteIndexer/> |
| <CurrencyCode/> |
| <CurrencySymbol/> |
| <IsIndependantCurrency> false </IsIndependantCurrency> |
| <ShowCurrencySymbol> false </ShowCurrencySymbol> |
| <DisplayDateInUSFormat> false </DisplayDateInUSFormat> |
| </Cell> |
| </Cells> |
| | | <ElementDataType> xbrli:integerItemType </ElementDataType> |
| | | <SimpleDataType> integer </SimpleDataType> |
| | | <ElementDefenition> Represents the number of weeks in the fourth quarter for the entity's 53-week fiscal years. </ElementDefenition> |
| | | <ElementReferences> No definition available. </ElementReferences> |
| | | <IsTotalLabel> false </IsTotalLabel> |
| | | <UnitID> 256 </UnitID> |
| | | <Label> Number of weeks in fourth quarter for 53-week fiscal years </Label> |
| | | </Row> |
| | </Rows> |
| <Footnotes/> |
| <IsEquityReport> false </IsEquityReport> |
| <ReportName> Basis of Presentation (Details) </ReportName> |
| <MonetaryRoundingLevel> UnKnown </MonetaryRoundingLevel> |
| <SharesRoundingLevel> UnKnown </SharesRoundingLevel> |
| <PerShareRoundingLevel> UnKnown </PerShareRoundingLevel> |
| <ExchangeRateRoundingLevel> UnKnown </ExchangeRateRoundingLevel> |
| <HasCustomUnits> true </HasCustomUnits> |
| <IsEmbedReport> false </IsEmbedReport> |
| <IsMultiCurrency> false </IsMultiCurrency> |
| <ReportType> Sheet </ReportType> |
| <RoleURI> http://www.igniterestaurants.com/role/DisclosureBasisOfPresentationDetails </RoleURI> |
| <NumberOfCols> 6 </NumberOfCols> |
| <NumberOfRows> 15 </NumberOfRows> |
| </InstanceReport> |