Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 26, 2012	May 28, 2011
Cash Flows from Operating Activities:
Net earnings	$ 206,836	$ 180,578
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	43,410	44,221
Stock-based compensation	12,829	13,717
Tax benefit from stock-based compensation	11,445	(3,897)
Deferred income taxes	(10,558)	(14,042)
Other	(277)	(454)
(Increase) decrease in assets:
Merchandise inventories	(130,956)	(114,101)
Trading investment securities	(366)	(1,670)
Other current assets	(8,268)	(10,726)
Other assets	(2,190)	399
Increase (decrease) in liabilities:
Accounts payable	119,886	139,926
Accrued expenses and other current liabilities	(12,346)	(5,558)
Merchandise credit and gift card liabilities	13,682	(811)
Income taxes payable	27,390	26,605
Deferred rent and other liabilities	1,845	4,147
Net cash provided by operating activities	272,362	258,334
Cash Flows from Investing Activities:
Purchase of held-to-maturity investment securities	(281,130)	(365,491)
Redemption of held-to-maturity investment securities	421,875	365,625
Redemption of available-for-sale investment securities	6,475	7,050
Capital expenditures	(70,788)	(33,142)
Net cash provided by (used in) investing activities	76,432	(25,958)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	26,140	57,629
Excess tax benefit from stock-based compensation	3,360	249
Repurchase of common stock, including fees	(306,276)	(244,868)
Net cash used in financing activities	(276,776)	(186,990)
Net increase in cash and cash equivalents	72,018	45,386
Cash and cash equivalents:
Beginning of period	1,003,166	1,183,587
End of period	$ 1,075,184	$ 1,228,973