Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 26, 2011	Nov. 27, 2010
Cash Flows from Operating Activities:
Net earnings	$ 638,494	$ 507,882
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	131,989	135,217
Stock-based compensation	34,682	33,316
Tax benefit from stock-based compensation	(430)	(2,589)
Deferred income taxes	13,596	(10,708)
Other	(1,262)	(1,247)
(Increase) decrease in assets:
Merchandise inventories	(388,347)	(412,080)
Trading investment securities	(882)	(4,161)
Other current assets	(55,697)	(62,524)
Other assets	903	(2,562)
Increase (decrease) in liabilities:
Accounts payable	238,495	247,991
Accrued expenses and other current liabilities	33,663	39,932
Merchandise credit and gift card liabilities	4,871	9,813
Income taxes payable	(97,435)	(62,331)
Deferred rent and other liabilities	15,850	32,118
Net cash provided by operating activities	568,490	448,067
Cash Flows from Investing Activities:
Purchase of held-to-maturity investment securities	(1,277,815)	(1,146,153)
Redemption of held-to-maturity investment securities	1,128,125	920,645
Redemption of available-for-sale investment securities	15,550	16,525
Redemption of trading investment securities		42,825
Capital expenditures	(159,244)	(142,186)
Net cash used in investing activities	(293,384)	(308,344)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	161,705	91,083
Excess tax benefit from stock-based compensation	4,638	2,495
Repurchase of common stock, including fees	(859,286)	(489,068)
Net cash used in financing activities	(692,943)	(395,490)
Net decrease in cash and cash equivalents	(417,837)	(255,767)
Cash and cash equivalents:
Beginning of period	1,183,587	1,096,100
End of period	$ 765,750	$ 840,333