Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Aug. 27, 2011	Aug. 28, 2010
Cash Flows from Operating Activities:
Net earnings	$ 409,950	$ 319,308
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	88,110	89,882
Stock-based compensation	24,268	22,636
Tax benefit from stock-based compensation	(2,736)	(2,660)
Deferred income taxes	(11,946)	(11,281)
Other	(915)	(694)
(Increase) decrease in assets:
Merchandise inventories	(148,507)	(143,393)
Trading investment securities	(557)	(1,859)
Other current assets	16,284	(29,525)
Other assets	685	(2,562)
Increase (decrease) in liabilities:
Accounts payable	141,161	168,903
Accrued expenses and other current liabilities	21,195	24,322
Merchandise credit and gift card liabilities	2,627	6,315
Income taxes payable	(60,297)	(51,370)
Deferred rent and other liabilities	6,831	16,080
Net cash provided by operating activities	486,153	404,102
Cash Flows from Investing Activities:
Purchase of held-to-maturity investment securities	(856,012)	(780,750)
Redemption of held-to-maturity investment securities	731,250	555,020
Redemption of available-for-sale investment securities	15,550	14,025
Redemption of trading investment securities		42,825
Capital expenditures	(89,598)	(83,574)
Net cash used in investing activities	(198,810)	(252,454)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	77,703	70,054
Excess tax benefit from stock-based compensation	923	1,038
Repurchase of common stock, including fees	(531,566)	(278,336)
Net cash used in financing activities	(452,940)	(207,244)
Net decrease in cash and cash equivalents	(165,597)	(55,596)
Cash and cash equivalents:
Beginning of period	1,183,587	1,096,100
End of period	$ 1,017,990	$ 1,040,504