Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010
Cash Flows from Operating Activities:
Net income	$ 89,309	$ 65,856
Adjustments to reconcile net income to net cash provided by operating activities -
Depreciation and amortization	48,353	46,636
Deferred tax expense (benefit)	4,845	(3,628)
Stock-based compensation expense	8,365	5,950
Excess tax benefit from stock-based compensation	(1,642)	(1,011)
Deferred rent and lease credits	(9,167)	(8,037)
Loss on disposal of property and equipment	1,756	1,813
Decrease (increase) in assets -
Receivables, net	(1,774)	(3,578)
Income tax receivable	(4,738)	(346)
Inventories	(30,931)	(8,382)
Prepaid expenses and other	(5,904)	(2,666)
Increase in liabilities -
Accounts payable	17,417	15,203
Accrued and other deferred liabilities	6,637	2,110
Total adjustments	33,217	44,064
Net cash provided by operating activities	122,526	109,920
Cash Flows from Investing Activities:
Decrease (increase) in marketable securities	86,150	(82,884)
Purchases of property and equipment, net	(56,265)	(34,380)
Net cash provided by (used in) investing activities	29,885	(117,264)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock	2,762	1,378
Excess tax benefit from stock-based compensation	1,642	1,011
Dividends paid	(17,521)	(14,282)
Repurchase of common stock	(97,880)	(247)
Net cash used in financing activities	(110,997)	(12,140)
Net increase (decrease) in cash and cash equivalents	41,414	(19,484)
Cash and Cash Equivalents, Beginning of period	14,695	37,043
Cash and Cash Equivalents, End of period	56,109	17,559
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	195	142
Cash paid for income taxes, net	51,587	39,368
Non-Cash Investing and Financing Activities:
Repossession of land in satisfaction of note receivable		$ 20,000