CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 04, 2012	Apr. 29, 2011
Cash flows from operating activities:
Net income	$ 213,415	$ 156,969
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72,271	67,486
Deferred income taxes	(1,119)	7,393
Tax benefit of stock options	(18,589)	(434)
Loss on debt retirement, net	1,629	2,167
Noncash share-based compensation	4,759	3,519
Other noncash gains and losses	2,828	4,574
Change in operating assets and liabilities:
Merchandise inventories	6,499	(5,275)
Prepaid expenses and other current assets	5,370	(32,369)
Accounts payable	(82,227)	(25,922)
Accrued expenses and other liabilities	(30,218)	38,810
Income taxes	19,306	6,671
Other	(1,285)	(17)
Net cash provided by operating activities	192,639	223,572
Cash flows from investing activities:
Purchases of property and equipment	(145,857)	(91,958)
Proceeds from sales of property and equipment	119	367
Net cash used in investing activities	(145,738)	(91,591)
Cash flows from financing activities:
Repayments of long-term obligations	(202)	(27,151)
Borrowings under revolving credit facility	584,900
Repayments of borrowings under revolving credit facility	(321,800)
Debt issue costs	(7,663)
Repurchase of common stock from principal shareholder	(300,000)
Equity transactions with employees, net of taxes paid	(14,321)	(247)
Tax benefit of stock options	18,589	434
Net cash used in financing activities	(40,497)	(26,964)
Net increase in cash and cash equivalents	6,404	105,017
Cash and cash equivalents, beginning of period	126,126	497,446
Cash and cash equivalents, end of period	132,530	602,463
Supplemental schedule of non-cash investing and financing activities:
Purchases of property and equipment awaiting processing for payment, included in Accounts payable	$ 39,726	$ 35,649