CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Cash Flows From Operating Activities:
Net income	$ 59,060	$ 46,400	$ 32,549
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,205	13,623	13,905
Deferred and unrecognized income tax benefit, net	(46)	(1,558)	(2,433)
Excess tax benefit from stock option exercises	(1,834)	(3,435)	(781)
Loss on disposal and write-down of assets, net	151	164	232
Stock-based compensation	5,453	4,796	4,157
Changes in operating assets and liabilities:
Trade receivables, net	(633)	(597)	(70)
Accounts receivable, other	(105)	(160)	829
Inventories, net	(20,193)	(5,484)	(17,618)
Prepaid expenses and other current assets	3,146	(3,485)	5,409
Other assets, non-current	(157)	(149)	169
Accounts payable	(2,251)	11,036	489
Deferred rent, non-current	(1,245)	(1,408)	(2,319)
Accrued expenses and other	370	2,175	2,396
Net cash provided by operating activities	54,921	61,918	36,914
Cash Flows From Investing Activities:
Purchase of investments, net	(481)	(529)	(39)
Capital expenditures	(12,997)	(10,476)	(9,605)
Proceeds from sale of property and equipment	103	122	41
Net cash used in investing activities	(13,375)	(10,883)	(9,603)
Cash Flows From Financing Activities:
Cash used for stock repurchases	(67,484)	(37,715)	0
Net payments on revolving credit facility and capital lease obligations	(311)	(114)	(77)
Excess tax benefit from stock option exercises	1,834	3,435	781
Cash used to settle net share equity awards	(1,129)	(144)	0
Proceeds from options exercised and purchase of shares under the employee stock purchase plan	5,165	9,329	1,026
Net cash (used in) provided by financing activities	(61,925)	(25,209)	1,730
Net (Decrease) Increase in Cash and Cash Equivalents	(20,379)	25,826	29,041
Cash and Cash Equivalents, Beginning of Year	75,517	49,691	20,650
Cash and Cash Equivalents, End of Year	55,138	75,517	49,691
Cash paid during the year for:
Interest	277	95	117
Income taxes, net of refunds	30,788	31,987	16,955
Supplemental Schedule of Non-Cash Financing Activities:
Deferred board compensation	60	0	0
Shares awarded to satisfy deferred board compensation	1,561	0	0
Capital leases	$ 0	$ 2,403	$ 345