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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   344us-gaap_NumberOfStores    
Number of states   35us-gaap_NumberOfStatesInWhichEntityOperates    
Cash and Cash equivalent Maturity Period   90 days    
Amortization of capitalized software   $ 4,000,000us-gaap_CapitalizedComputerSoftwareAmortization $ 3,000,000us-gaap_CapitalizedComputerSoftwareAmortization $ 1,600,000us-gaap_CapitalizedComputerSoftwareAmortization
Net book value of assets 18,800,000us-gaap_CapitalizedComputerSoftwareNet 25,800,000us-gaap_CapitalizedComputerSoftwareNet 18,800,000us-gaap_CapitalizedComputerSoftwareNet  
Capitalized computer software currently under development 1,900,000kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment 20,000kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment 1,900,000kirk_PropertyPlantAndEquipmentIncludedCapitalizedSoftwareUnderDevelopment  
Liability for asset retirement obligations 253,000us-gaap_AssetRetirementObligation 269,000us-gaap_AssetRetirementObligation 253,000us-gaap_AssetRetirementObligation  
Workers' Compensation and General Liability Reserve Benefit, Earnings Per Share Diluted $ 0.05kirk_InsuranceReserveBenefitEarningsPerShareDiluted      
Workers Compensation and General Liability Reserve Benefit, After Tax 800,000kirk_WorkersCompensationAndGeneralLiabilityReserveBenefitAfterTax   800,000kirk_WorkersCompensationAndGeneralLiabilityReserveBenefitAfterTax  
Workers Compensation and General Liability Reserve Benefit 1,300,000kirk_WorkersCompensationAndGeneralLiabilityReserveBeforeTax   1,300,000kirk_WorkersCompensationAndGeneralLiabilityReserveBeforeTax  
Cumulative net excess of recorded rent expense over lease payments   11,000,000us-gaap_OperatingLeasesIncomeStatementCarryingAmountAtLeaseInceptionExceedsFairValue    
Part of rent expense over lease payment reflected as current liability in accrued expenses 1,200,000us-gaap_AccruedRentCurrent 1,100,000us-gaap_AccruedRentCurrent 1,200,000us-gaap_AccruedRentCurrent  
Part of rent expense over lease payment reflected as noncurrent liability in accrued expenses 8,600,000us-gaap_AccruedRentNoncurrent 9,900,000us-gaap_AccruedRentNoncurrent 8,600,000us-gaap_AccruedRentNoncurrent  
Unamortized amount of construction allowances   38,400,000kirk_UnamortizedAmountOfConstructionAllowances    
Part of construction allowance reflects as current liability in accrued expense 6,200,000kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense 6,400,000kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense 6,200,000kirk_PartOfConstructionAllowanceReflectsAsCurrentLiabilityInAccruedExpense  
Part of construction allowance reflects as noncurrent liability in deferred rent 30,300,000kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent 32,000,000kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent 30,300,000kirk_PartOfConstructionAllowanceReflectsAsNoncurrentLiabilityInDeferredRent  
Gift card breakage   853,000us-gaap_RevenueRecognitionGiftCardsBreakage 1,103,000us-gaap_RevenueRecognitionGiftCardsBreakage 970,000us-gaap_RevenueRecognitionGiftCardsBreakage
Advertising expense   $ 9,300,000us-gaap_AdvertisingExpense $ 9,300,000us-gaap_AdvertisingExpense $ 6,700,000us-gaap_AdvertisingExpense
Tax benefit likelihood recognized   50.00%kirk_PercentageOfRecognitionOfTaxBenefitUponSettlement    
Stock options not included in the computation of diluted earnings per share   426,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 439,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 642,000us-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