XML 45 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary Of Significant Accounting Policies (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 28, 2013 segment item | Sep. 29, 2012 | Sep. 24, 2011 | Sep. 25, 2010
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 203 |  |  |
Number of segments | 1 |  |  |
Other income, net | $ 2,900,341 | $ 3,527,065 | $ 4,159,445 |
Outstanding checks in excess of bank balances | 4,200,000 | 11,400,000 |  |
Cash and cash equivalents | 16,844,007 | 4,683,410 | 12,421,250 | 57,854,587
Number of banks | 5 |  |  |
FDIC insurance limit per bank | 250,000 |  |  |
Total depreciation expense | 94,900,000 | 90,600,000 | 80,400,000 |
Capitalized loan and leasehold costs | 13,200,000 | 10,200,000 |  |
Accumulated amortization | 29,600,000 | 25,700,000 |  |
Costs to be amortized over the life of the underlying debt instrument or lease, per year. | 1,400,000 |  |  |
Write off of capitalized loan costs | 15,300,000 |  |  |
Liability coverage per occurrence for workers compensation | 750,000 |  |  |
Liability coverage for general liability | 500,000 |  |  |
Liability coverage per covered person for medical care benefits | 325,000 |  |  |
Company's self insurance reserves | 29,400,000 | 26,700,000 |  |
Undrawn letters of credit | 9,300,000 |  |  |
Expiry date of undrawn letters of credit, Start | Oct. 01, 2013 |  |  |
Expiry date of undrawn letters of credit, End | Nov. 01, 2014 |  |  |
Unrecognized tax benefits | 149,100 | 149,400 |  |
Interest and penalties, expense | 55,000 |  |  |
Advertising and promotion expenses, net of vendor allowances | 13,900,000 | 14,100,000 | 13,900,000 |
Depreciation expense included in costs of goods sold totaled | 14,200,000 | 9,200,000 | 5,400,000 |
Fluid dairy revenues recognition | 69.00% |  |  |
Vendor allowances applied as a reduction of merchandise costs | 121,900,000 | 114,300,000 | 109,900,000 |
Vendor advertising allowances recorded as a reduction of advertising expense | 14,500,000 | 13,200,000 | 13,100,000 |
Demand Deposits [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Cash and cash equivalents | $ 12,200,000 |  |  |
Buildings [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 30 years |  |  |
Minimum [Member] | Store, Office And Warehouse Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 3 years |  |  |
Minimum [Member] | Transportation Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 3 years |  |  |
Minimum [Member] | Leasehold Improvements [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 3 years |  |  |
Maximum [Member] | Store, Office And Warehouse Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 10 years |  |  |
Maximum [Member] | Transportation Equipment [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 5 years |  |  |
Maximum [Member] | Leasehold Improvements [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Useful life of property, plant and equipment | 30 years |  |  |
Georgia [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 73 |  |  |
North Carolina [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 70 |  |  |
South Carolina [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 36 |  |  |
Tennessee [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 21 |  |  |
Virginia [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 2 |  |  |
Alabama [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of locations | 1 |  |  |

X
- Definition Costs to be amortized over the life of the underlying debt instrument or lease, per year. + References No definition available. + Details
Name: | imkta_CostsToBeAmortizedOverLifeOfUnderlyingDebtInstrumentOrLeasePerYear
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition End expiration date of undrawn letters of credit. + References No definition available. + Details
Name: | imkta_EndExpirationDateOfUndrawnLettersOfCredit
Namespace Prefix: | imkta_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition FDIC insurance limit per bank. + References No definition available. + Details
Name: | imkta_FdicInsuranceLimitPerBank
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liability coverage for general liability. + References No definition available. + Details
Name: | imkta_LiabilityCoverageForGeneralLiability
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liability coverage per covered person for medical care benefits. + References No definition available. + Details
Name: | imkta_LiabilityCoveragePerCoveredPersonForMedicalCareBenefits
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liability coverage per occurrence for workers compensation. + References No definition available. + Details
Name: | imkta_LiabilityCoveragePerOccurrenceForWorkersCompensation
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of bank for demand deposits. + References No definition available. + Details
Name: | imkta_NumberOfBankForDemandDeposits
Namespace Prefix: | imkta_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Locations + References No definition available. + Details
Name: | imkta_NumberOfLocations
Namespace Prefix: | imkta_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Outstanding checks in excess of bank balances. + References No definition available. + Details
Name: | imkta_OutstandingChecksInExcessOfBankBalances
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of revenues recognized on pick up by customer. + References No definition available. + Details
Name: | imkta_PercentageOfRevenuesRecognizedOnPickUpByCustomer
Namespace Prefix: | imkta_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Start expiration date of undrawn letters of credit. + References No definition available. + Details
Name: | imkta_StartExpirationDateOfUndrawnLettersOfCredit
Namespace Prefix: | imkta_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | imkta_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | imkta_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Undrawn letters of credit. + References No definition available. + Details
Name: | imkta_UndrawnLettersOfCredit
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Vendor advertising allowances recorded as reduction of advertising expense. + References No definition available. + Details
Name: | imkta_VendorAdvertisingAllowancesRecordedAsReductionOfAdvertisingExpense
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Vendor allowances applied as reduction of merchandise costs. + References No definition available. + Details
Name: | imkta_VendorAllowancesAppliedAsReductionOfMerchandiseCosts
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition For an unclassified balance sheet, the accumulated amortization, as of the reporting date, representing the periodic charge to earnings of deferred costs which are associated with debt obligations existing as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
Name: | us-gaap_AccumulatedAmortizationDeferredFinanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The expense recognized in the current period that allocates the cost of a tangible asset over the asset's useful life. This element applies only to an asset used in the production of goods sold. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfGoodsSoldDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total expense recognized in the period for promotion, public relations, and brand or product advertising. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_MarketingAndAdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SelfInsuranceReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration