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Description of Business and Significant Accounting Policies - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 01, 2014 | Jan. 31, 2015 State Store | Feb. 01, 2014 | Feb. 02, 2013
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Number of home decor and gifts store |  | 344 us-gaap_NumberOfStores |  |
Number of states |  | 35 us-gaap_NumberOfStatesInWhichEntityOperates |  |
Cash and Cash equivalent Maturity Period |  | 90 days |  |
Amortization of capitalized software |  | $ 4,000,000 us-gaap_CapitalizedComputerSoftwareAmortization | $ 3,000,000 us-gaap_CapitalizedComputerSoftwareAmortization | $ 1,600,000 us-gaap_CapitalizedComputerSoftwareAmortization
Net book value of assets | 18,800,000 us-gaap_CapitalizedComputerSoftwareNet | 25,800,000 us-gaap_CapitalizedComputerSoftwareNet | 18,800,000 us-gaap_CapitalizedComputerSoftwareNet |
Capitalized computer software currently under development | 1,900,000 kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment | 20,000 kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment | 1,900,000 kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment |
Liability for asset retirement obligations | 253,000 us-gaap_AssetRetirementObligation | 269,000 us-gaap_AssetRetirementObligation | 253,000 us-gaap_AssetRetirementObligation |
Workers' Compensation and General Liability Reserve Benefit, Earnings Per Share Diluted | $ 0.05 kirk_InsuranceReserveBenefitEarningsPerShareDiluted |  |  |
Workers Compensation and General Liability Reserve Benefit, After Tax | 800,000 kirk_WorkersCompensationAndGeneralLiabilityReserveBenefitAfterTax |  | 800,000 kirk_WorkersCompensationAndGeneralLiabilityReserveBenefitAfterTax |
Workers Compensation and General Liability Reserve Benefit | 1,300,000 kirk_WorkersCompensationAndGeneralLiabilityReserveBeforeTax |  | 1,300,000 kirk_WorkersCompensationAndGeneralLiabilityReserveBeforeTax |
Cumulative net excess of recorded rent expense over lease payments |  | 11,000,000 us-gaap_OperatingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue |  |
Part of rent expense over lease payment reflected as current liability in accrued expenses | 1,200,000 us-gaap_AccruedRentCurrent | 1,100,000 us-gaap_AccruedRentCurrent | 1,200,000 us-gaap_AccruedRentCurrent |
Part of rent expense over lease payment reflected as noncurrent liability in accrued expenses | 8,600,000 us-gaap_AccruedRentNoncurrent | 9,900,000 us-gaap_AccruedRentNoncurrent | 8,600,000 us-gaap_AccruedRentNoncurrent |
Unamortized amount of construction allowances |  | 38,400,000 kirk_UnamortizedAmountOfConstructionAllowances |  |
Part of construction allowance reflects as current liability in accrued expense | 6,200,000 kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense | 6,400,000 kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense | 6,200,000 kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense |
Part of construction allowance reflects as noncurrent liability in deferred rent | 30,300,000 kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent | 32,000,000 kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent | 30,300,000 kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent |
Gift card breakage |  | 853,000 us-gaap_RevenueRecognitionGiftCardsBreakage | 1,103,000 us-gaap_RevenueRecognitionGiftCardsBreakage | 970,000 us-gaap_RevenueRecognitionGiftCardsBreakage
Advertising expense |  | $ 9,300,000 us-gaap_AdvertisingExpense | $ 9,300,000 us-gaap_AdvertisingExpense | $ 6,700,000 us-gaap_AdvertisingExpense
Tax benefit likelihood recognized |  | 50.00%kirk_PercentageOfRecognitionOfTaxBenefitUponSettlement |  |
Stock options not included in the computation of diluted earnings per share |  | 426,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 439,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 642,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Minimum [Member] | Capitalized Software Costs [Member] |  |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Range of estimated life of software |  | 3 years |  |
Maximum [Member] | Capitalized Software Costs [Member] |  |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Range of estimated life of software |  | 10 years |  |
Furniture and Fixtures [Member] |  |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of assets |  | 5 years |  |
Leasehold Improvements [Member] | Minimum [Member] |  |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of assets |  | 5 years |  |
Leasehold Improvements [Member] | Maximum [Member] |  |  |  |
Nature Of Business And Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of assets |  | 10 years |  |

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