Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
May 02, 2015	May 03, 2014
Cash Flows From Operating Activities
Net earnings	$ 282,205us-gaap_NetIncomeLoss	$ 243,913us-gaap_NetIncomeLoss
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	63,316	56,465
Stock-based compensation	14,288us-gaap_ShareBasedCompensation	12,035us-gaap_ShareBasedCompensation
Deferred income taxes	(944)us-gaap_DeferredIncomeTaxExpenseBenefit	1,577us-gaap_DeferredIncomeTaxExpenseBenefit
Tax benefit from equity issuance	37,320	23,141
Excess tax benefit from stock-based compensation	(37,255)	(22,943)
Change in assets and liabilities:
Merchandise inventory	(131,606)us-gaap_IncreaseDecreaseInInventories	6,396us-gaap_IncreaseDecreaseInInventories
Other current assets	(27,539)	(36,623)
Accounts payable	143,038	157,254
Other current liabilities	63,217	71,446
Other long-term, net	7,948	(8,084)
Net cash provided by operating activities	413,988	504,577
Cash Flows From Investing Activities
Additions to property and equipment	(106,928)	(148,700)
Increase in restricted cash and investments	(9)	(6,980)
Purchases of investments	(718)us-gaap_PaymentsToAcquireInvestments	0us-gaap_PaymentsToAcquireInvestments
Proceeds from investments	601	12,022
Net cash used in investing activities	(107,054)	(143,658)
Cash Flows From Financing Activities
Excess tax benefit from stock-based compensation	37,255	22,943
Issuance of common stock related to stock plans	7,036	5,668
Treasury stock purchased	(61,977)	(35,471)
Repurchase of common stock	(175,757)	(138,696)
Dividends paid	(48,743)us-gaap_PaymentsOfDividendsCommonStock	(42,581)us-gaap_PaymentsOfDividendsCommonStock
Net cash used in financing activities	(242,186)	(188,137)
Net increase in cash and cash equivalents	64,748	172,782
Cash and cash equivalents:
Beginning of period	696,608	423,168
End of period	761,356	595,950
Supplemental Cash Flow Disclosures
Interest paid	4,148us-gaap_InterestPaid	0us-gaap_InterestPaid
Income taxes paid	$ 43,302us-gaap_IncomeTaxesPaidNet	$ 28,936us-gaap_IncomeTaxesPaidNet

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