Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Nov. 28, 2015	Nov. 29, 2014
Cash Flows from Operating Activities:
Net earnings	$ 537,945,000	$ 636,413,000
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	193,633,000	179,466,000
Stock-based compensation	49,848,000	49,284,000
Excess tax benefit from stock-based compensation	(10,380,000)	(11,127,000)
Deferred income taxes	22,848,000	(27,247,000)
Other	740,000	(1,399,000)
Increase in assets:
Merchandise inventories	(493,054,000)	(489,198,000)
Trading investment securities	(6,300,000)	(7,364,000)
Other current assets	(124,143,000)	(105,683,000)
Other assets	(6,611,000)	(1,064,000)
Increase (decrease) in liabilities:
Accounts payable	288,304,000	236,450,000
Accrued expenses and other current liabilities	64,986,000	72,479,000
Merchandise credit and gift card liabilities	11,584,000	12,709,000
Income taxes payable	(60,933,000)	(48,017,000)
Deferred rent and other liabilities	21,465,000	6,475,000
Net cash provided by operating activities	489,932,000	502,177,000
Cash Flows from Investing Activities:
Purchase of held-to-maturity investment securities	(16,873,000)	(219,353,000)
Redemption of held-to-maturity investment securities	126,875,000	$ 573,750,000
Redemption of available-for-sale investment securities	28,905,000
Capital expenditures	(244,255,000)	$ (232,658,000)
Net cash (used in) provided by investing activities	(105,348,000)	121,739,000
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	7,879,000	24,790,000
Proceeds from issuance of senior unsecured notes	0	1,500,000,000
Payment of deferred financing costs	0	(10,092,000)
Prepayment under share repurchase agreement	0	$ (165,000,000)
Payment of other liabilities	(7,646,000)
Excess tax benefit from stock-based compensation	10,380,000	$ 11,127,000
Repurchase of common stock, including fees	(773,518,000)	(1,303,951,000)
Net cash (used in) provided by financing activities	(762,905,000)	56,874,000
Effect of exchange rate changes on cash and cash equivalents	(6,516,000)	(3,468,000)
Net (decrease) increase in cash and cash equivalents	(384,837,000)	677,322,000
Cash and cash equivalents:
Beginning of period	875,574,000	366,516,000
End of period	$ 490,737,000	$ 1,043,838,000