Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013
Cash Flows From Operating Activities:
Net income	$ 70,008	$ 94,710
Adjustments to reconcile net income to net cash provided by operating activities —
Depreciation and amortization	60,373	58,628
Deferred tax (benefit) expense	(4,443)	3,556
Stock-based compensation expense	12,684	14,304
Excess tax benefit from stock-based compensation	(1,196)	(1,437)
Deferred rent and lease credits	(9,221)	(8,602)
Loss on disposal and impairment of property and equipment	209	753
Changes in assets and liabilities:
Inventories	73	(4,299)
Prepaid expenses and other assets	(1,645)	(2,568)
Accounts payable	13,346	1,483
Accrued and other liabilities	12,952	(13,491)
Net cash provided by operating activities	153,140	143,037
Cash Flows From Investing Activities:
Purchases of marketable securities	(42,700)	(60,128)
Proceeds from sale of marketable securities	64,407	124,042
Purchases of property and equipment, net	(62,966)	(71,745)
Net cash used in investing activities	(41,259)	(7,831)
Cash Flows From Financing Activities:
Proceeds from issuance of common stock	4,297	7,900
Excess tax benefit from stock-based compensation	1,196	1,437
Dividends paid	(22,901)	(17,777)
Repurchase of common stock	(16,527)	(90,208)
Net cash used in financing activities	(33,935)	(98,648)
Effects of exchange rate changes on cash and cash equivalents	(3)	0
Net increase in cash and cash equivalents	77,943	36,558
Cash and Cash Equivalents, Beginning of period	36,444	56,859
Cash and Cash Equivalents, End of period	114,387	93,417
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	151	182
Cash paid for income taxes, net	$ 36,812	$ 43,167