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v2.4.1.9

Segment Information (Operations By Lines Of Business) (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 29, 2013 | Sep. 27, 2014 | Sep. 28, 2013 | Sep. 29, 2012
Segment Reporting Information By Segment [Line Items] |  |  |  |
Total revenues from unaffiliated customers |  | $ 3,835,986,000 imkta_Revenue | $ 3,738,540,000 imkta_Revenue | $ 3,718,315,000 imkta_Revenue
Total income from operations |  | 123,345,157 us-gaap_OperatingIncomeLoss | 125,574,175 us-gaap_OperatingIncomeLoss | 123,846,842 us-gaap_OperatingIncomeLoss
Other income, net |  | 3,001,161 us-gaap_OtherNonoperatingIncomeExpense | 2,900,341 us-gaap_OtherNonoperatingIncomeExpense | 3,527,065 us-gaap_OtherNonoperatingIncomeExpense
Interest expense |  | 46,569,864 us-gaap_InterestExpense | 59,142,378 us-gaap_InterestExpense | 60,026,564 us-gaap_InterestExpense
Loss on early extinguishment of debt | 43,100,000 us-gaap_GainsLossesOnExtinguishmentOfDebt |  | (43,089,248)us-gaap_GainsLossesOnExtinguishmentOfDebt |
Income before income taxes |  | 79,776,454 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 26,242,890 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 67,347,343 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Total assets |  | 1,656,951,564 us-gaap_Assets | 1,669,327,737 us-gaap_Assets | 1,642,109,000 us-gaap_Assets
Total capital expenditures |  | 108,338,402 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | 101,453,001 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | 180,628,852 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Depreciation and amortization expense |  | 97,663,587 us-gaap_DepreciationAndAmortization | 94,889,139 us-gaap_DepreciationAndAmortization | 90,530,952 us-gaap_DepreciationAndAmortization
Elimination Of Intercompany Receivable [Member] |  |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |  |
Total assets |  | (2,770,000)us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (2,392,000)us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (2,267,000)us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
Grocery Sales [Member] |  |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |  |
Total revenues from unaffiliated customers |  | 3,683,353,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 3,599,820,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 3,577,510,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember
Total income from operations |  | 112,030,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 114,380,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 111,540,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember
Total assets |  | 1,515,055,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 1,528,483,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 1,486,109,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember
Total capital expenditures |  | 105,808,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 99,995,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 175,835,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember
Depreciation and amortization expense |  | 90,025,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 87,331,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember | 82,584,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_GrocerySalesMember
Other Segment [Member] |  |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |  |
Total revenues from unaffiliated customers |  | 152,633,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 138,720,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 140,805,000 imkta_Revenue / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember
Total income from operations |  | 11,315,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 11,194,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 12,307,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember
Total assets |  | 144,667,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 143,237,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 158,267,000 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember
Total capital expenditures |  | 2,531,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 1,458,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | 4,794,000 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember
Depreciation and amortization expense |  | $ 7,639,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | $ 7,558,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember | $ 7,947,000 us-gaap_DepreciationAndAmortization / us-gaap_StatementBusinessSegmentsAxis = imkta_OtherSegmentMember

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