Consolidated Statements of Cash Flows (USD $) In Thousands	3 Months Ended
	Apr. 30, 2011	May 01, 2010
Cash Flows From Operating Activities:
Net income	$ 45,918	$ 35,402
Adjustments to reconcile net income to net cash provided by operating activities -
Depreciation and amortization	24,188	23,362
Deferred tax benefit	(1,375)	(3,640)
Stock-based compensation expense	3,636	2,831
Excess tax benefit from stock-based compensation	(762)	(707)
Impairment charges	1,402	822
Deferred rent and lease credits	(4,330)	(4,140)
Loss on disposal of property and equipment	32	766
(Increase) decrease in assets -
Receivables, net	(1,745)	65
Income tax receivable	5,852	(319)
Inventories	(38,730)	(21,932)
Prepaid expenses and other	(648)	(1,373)
Increase in liabilities -
Accounts payable	12,283	15,203
Accrued and other deferred liabilities	31,240	33,123
Total adjustments	31,043	44,061
Net cash provided by operating activities	76,961	79,463
Cash Flows From Investing Activities:
Decrease (increase) in marketable securities	91,349	(62,816)
Purchases of property and equipment	(16,208)	(15,264)
Net cash provided by (used in) investing activities	75,141	(78,080)
Cash Flows From Financing Activities:
Proceeds from issuance of common stock	1,373	920
Excess tax benefit from stock-based compensation	762	707
Dividends paid	(8,835)	(7,136)
Repurchase of common stock	(36,688)	(223)
Net cash used in financing activities	(43,388)	(5,732)
Net increase (decrease) in cash and cash equivalents	108,714	(4,349)
Cash and Cash Equivalents, Beginning of period	14,695	37,043
Cash and Cash Equivalents, End of period	123,409	32,694
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	69	74
Cash paid for income taxes, net	$ 576	$ 872