Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Cash flows from operating activities:
Net income	$ 17,814us-gaap_NetIncomeLoss	$ 14,530us-gaap_NetIncomeLoss	$ 13,795us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property and equipment	18,639us-gaap_Depreciation	15,947us-gaap_Depreciation	13,175us-gaap_Depreciation
Amortization of landlord construction allowances	(5,397)	(5,807)	(4,197)
Cash received for landlord construction allowances	7,822	7,321	8,619
Amortization of debt issue costs	77us-gaap_AmortizationOfFinancingCosts	77us-gaap_AmortizationOfFinancingCosts	77us-gaap_AmortizationOfFinancingCosts
Loss on disposal of property and equipment	345	176	14
Stock-based compensation expense	2,772us-gaap_ShareBasedCompensation	2,830us-gaap_ShareBasedCompensation	2,712us-gaap_ShareBasedCompensation
Excess tax benefits from exercise of stock options and vesting of restricted stock	(99)	(409)	(46)
Deferred income taxes	40us-gaap_DeferredIncomeTaxExpenseBenefit	(966)us-gaap_DeferredIncomeTaxExpenseBenefit	4,291us-gaap_DeferredIncomeTaxExpenseBenefit
Changes in assets and liabilities:
Inventories, net	(3,138)us-gaap_IncreaseDecreaseInInventories	(3,060)us-gaap_IncreaseDecreaseInInventories	(2,271)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets	230	(223)	2
Other noncurrent assets	(405)	(356)	(334)
Accounts payable	1,603	1,460	50
Income taxes payable (refundable)	318	5,318	(2,580)
Accrued expenses and other current and noncurrent liabilities	3,867	2,375	(960)
Net cash provided by operating activities	44,488	39,213	32,347
Cash flows from investing activities:
Capital expenditures	(29,647)	(17,954)	(31,373)
Net cash used in investing activities	(29,647)	(17,954)	(31,373)
Cash flows from financing activities:
Refinancing costs			(6)us-gaap_PaymentsOfFinancingCosts
Excess tax benefits from exercise of stock options and restricted stock	99	409	46
Cash used in net share settlement of stock options and restricted stock	(347)kirk_CashUsedToNetShareSettleOptions	(682)kirk_CashUsedToNetShareSettleOptions
Exercise of stock options and employee stock purchases	298	267	282
Repurchase and retirement of common stock	(4,803)		(16,622)
Net cash used in financing activities	(4,753)	(6)	(16,300)
Cash and cash equivalents:
Net increase (decrease)	10,088	21,253	(15,326)
Beginning of the year	89,050	67,797	83,123
End of the year	99,138	89,050	67,797
Supplemental cash flow information:
Interest paid	190us-gaap_InterestPaid	190us-gaap_InterestPaid	191us-gaap_InterestPaid
Income taxes paid	$ 10,621us-gaap_IncomeTaxesPaid	$ 5,047us-gaap_IncomeTaxesPaid	$ 6,480us-gaap_IncomeTaxesPaid

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