CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 30, 2015	Jan. 31, 2014	Feb. 01, 2013
Cash flows from operating activities:
Net income	$ 1,065,345	$ 1,025,116	$ 952,662
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	342,353	332,837	302,911
Deferred income taxes	(17,734)	(36,851)	(2,605)
Tax benefit of share-based awards	(12,147)	(30,990)	(87,752)
Loss on debt retirement, net		18,871	30,620
Noncash share-based compensation	37,338us-gaap_ShareBasedCompensation	20,961us-gaap_ShareBasedCompensation	21,664us-gaap_ShareBasedCompensation
Other noncash (gains) and losses	8,551us-gaap_OtherNoncashIncomeExpense	(12,747)us-gaap_OtherNoncashIncomeExpense	6,774us-gaap_OtherNoncashIncomeExpense
Change in operating assets and liabilities:
Merchandise inventories	(233,559)	(144,943)	(391,409)
Prepaid expenses and other current assets	(25,048)	(4,947)	5,553
Accounts payable	97,166	36,942	194,035
Accrued expenses and other liabilities	41,635	16,265	(36,741)
Income taxes	12,399	(5,249)	138,711
Other	(1,555)	(2,200)	(3,071)
Net cash provided by (used in) operating activities	1,314,744	1,213,065	1,131,352
Cash flows from investing activities:
Purchases of property and equipment	(373,967)	(538,444)	(571,596)
Proceeds from sales of property and equipment	2,268	288,466	1,760
Net cash provided by (used in) investing activities	(371,699)	(249,978)	(569,836)
Cash flows from financing activities:
Issuance of long-term obligations		2,297,177	500,000
Repayments of long-term obligations	(78,467)	(2,119,991)	(478,255)
Borrowings under revolving credit facilities	1,023,000	1,172,900	2,286,700
Repayments of borrowings under revolving credit facilities	(1,023,000)	(1,303,800)	(2,184,900)
Debt issuance costs		(15,996)us-gaap_PaymentsOfDebtIssuanceCosts	(15,278)us-gaap_PaymentsOfDebtIssuanceCosts
Payments for cash flow hedge related to debt issuance		(13,217)
Repurchases of common stock	(800,095)	(620,052)	(671,459)
Other equity transactions, net of employee taxes paid	(2,373)	(26,341)	(71,393)
Tax benefit of share-based awards	12,147	30,990	87,752
Net cash provided by (used in) financing activities	(868,788)	(598,330)	(546,833)
Net increase (decrease) in cash and cash equivalents	74,257	364,757	14,683
Cash and cash equivalents, beginning of year	505,566	140,809	126,126
Cash and cash equivalents, end of year	579,823	505,566	140,809
Cash paid for:
Interest	82,447us-gaap_InterestPaid	73,464us-gaap_InterestPaid	121,712us-gaap_InterestPaid
Income taxes	631,483us-gaap_IncomeTaxesPaidNet	646,811us-gaap_IncomeTaxesPaidNet	422,333us-gaap_IncomeTaxesPaidNet
Supplemental schedule of non-cash investing and financing activities:
Purchases of property and equipment awaiting processing for payment, included in Accounts payable	31,586	27,082	39,147
Purchases of property and equipment under capital lease obligations			$ 3,440us-gaap_CapitalLeaseObligationsIncurred

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The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration