CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jul. 29, 2011	Jul. 30, 2010
Cash flows from operating activities:
Net income	$ 303,011	$ 277,191
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	135,871	126,156
Deferred income taxes	18,136	(4,860)
Tax benefit of stock options	(450)	(5,387)
Loss on debt retirement, net	60,303	6,387
Non-cash share-based compensation	6,798	8,366
Other non-cash gains and losses	17,709	6,466
Change in operating assets and liabilities:
Merchandise inventories	(222,669)	(219,589)
Prepaid expenses and other current assets	(37,136)	(15,822)
Accounts payable	166,690	113,976
Accrued expenses and other	18,399	(35,836)
Income taxes	(68,155)	23,269
Other	(68)	(1,011)
Net cash provided by operating activities	398,439	279,306
Cash flows from investing activities:
Purchases of property and equipment	(218,123)	(163,058)
Proceeds from sale of property and equipment	473	544
Net cash used in investing activities	(217,650)	(162,514)
Cash flows from financing activities:
Issuance of common stock	177	401
Repayments of long-term obligations	(911,361)	(58,137)
Borrowings under revolving credit agreement	371,600
Repayments of borrowings under revolving credit agreement	(25,600)
Repurchases of common stock and settlement of equity awards, net of employee taxes paid	(451)	(5,098)
Tax benefit of stock options	450	5,387
Net cash used in financing activities	(565,185)	(57,447)
Net increase (decrease) in cash and cash equivalents	(384,396)	59,345
Cash and cash equivalents, beginning of period	497,446	222,076
Cash and cash equivalents, end of period	113,050	281,421
Supplemental schedule of non-cash investing and financing activities:
Purchases of property and equipment awaiting processing for payment, included in Accounts payable	$ 32,276	$ 27,206