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	$ 73,584us-gaap_NetIncomeLoss	$ 70,877us-gaap_NetIncomeLoss	$ 72,582us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,990us-gaap_DepreciationAndAmortization	13,847us-gaap_DepreciationAndAmortization	13,029us-gaap_DepreciationAndAmortization
Deferred income taxes and unrecognized income tax benefit, net	4,220us-gaap_DeferredIncomeTaxExpenseBenefit	(73)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,507)us-gaap_DeferredIncomeTaxExpenseBenefit
Excess tax benefit from stock option exercises	(2,911)	(4,357)	(4,002)
Loss on disposal and write-down of assets, net	181	173	68
Stock-based compensation	4,468us-gaap_ShareBasedCompensation	5,838us-gaap_ShareBasedCompensation	5,649us-gaap_ShareBasedCompensation
Changes in operating assets and liabilities:
Trade receivables, net	117	(452)	577
Accounts receivable, other	706	(1,993)	(408)
Inventories, net	(13,863)us-gaap_IncreaseDecreaseInInventories	(5,167)us-gaap_IncreaseDecreaseInInventories	(26,307)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other	6,614	36	34
Other assets, net, non-current	46	(475)	(115)
Accounts payable	9,907	(27,489)	28,286
Deferred rent, non-current	2,240	1,798	435
Accrued expenses and other	1,093	738	(1,197)
Net cash provided by operating activities	102,392	53,301	87,124
Cash Flows From Investing Activities:
Purchase of investments, net	(90)	(704)	(530)
Capital expenditures	(22,873)	(50,507)	(21,970)
Proceeds from sale of property and equipment	320	221	182
Proceeds from insurance	84	0	0
Net cash used in investing activities	(22,559)	(50,990)	(22,318)
Cash Flows From Financing Activities:
Cash used for stock repurchases	(56,302)us-gaap_PaymentsForRepurchaseOfEquity	(15,807)us-gaap_PaymentsForRepurchaseOfEquity	(45,938)us-gaap_PaymentsForRepurchaseOfEquity
Net payments on capital lease obligations	(377)	(268)	(181)
Excess tax benefit from stock option exercises	2,911	4,357	4,002
Cash used to settle net share equity awards	(4,669)	(4,288)	(3,914)
Proceeds from options exercised and purchase of shares under the employee stock purchase plan	774	3,011	2,998
Net cash used in financing activities	(57,663)	(12,995)	(43,033)
Net increase (decrease) in cash and cash equivalents	22,170	(10,684)	21,773
Cash and cash equivalents, beginning of year	66,227	76,911	55,138
Cash and cash equivalents, end of year	88,397	66,227	76,911
Cash paid during the year for:
Interest	306us-gaap_InterestPaid	195us-gaap_InterestPaid	178us-gaap_InterestPaid
Income taxes, net of refunds	32,626us-gaap_IncomeTaxesPaidNet	42,276us-gaap_IncomeTaxesPaidNet	39,878us-gaap_IncomeTaxesPaidNet
Supplemental Schedule of Non-Cash Financing Activities:
Property and plant additions under capital lease	$ 909us-gaap_CapitalLeaseObligationsIncurred	$ 1,086us-gaap_CapitalLeaseObligationsIncurred	$ 1,040us-gaap_CapitalLeaseObligationsIncurred

The cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively

No definition available.