PROVISION FOR INCOME TAXES (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 02, 2013	Nov. 24, 2012	Aug. 25, 2012	May 26, 2012	Feb. 25, 2012	Nov. 26, 2011	Aug. 27, 2011	May 28, 2011	Mar. 02, 2013	Feb. 25, 2012	Feb. 26, 2011
Current:
Federal									$ 522,812,000	$ 475,280,000	$ 426,956,000
State and local									55,889,000	74,438,000	90,689,000
Total current income tax expense (benefit)									578,701,000	549,718,000	517,645,000
Deferred:
Federal									15,710,000	28,695,000	(7,698,000)
State and local									1,860,000	1,538,000	(8,302,000)
Total deferred income tax expense (benefit)									17,570,000	30,233,000	(16,000,000)
Provision for income taxes	223,912,000	125,777,000	141,076,000	105,506,000	202,763,000	127,874,000	140,392,000	108,922,000	596,271,000	579,951,000	501,645,000
Deferred income tax asset, net, current	212,700,000				209,400,000				212,700,000	209,400,000
Deferred income tax asset, net, noncurrent	36,000,000				43,700,000				36,000,000	43,700,000
Deferred tax assets:
Inventories	33,699,000				33,058,000				33,699,000	33,058,000
Deferred rent and other rent credits	82,123,000				78,292,000				82,123,000	78,292,000
Insurance	55,070,000				53,607,000				55,070,000	53,607,000
Stock-based compensation	33,486,000				37,633,000				33,486,000	37,633,000
Merchandise credits and gift card liabilities	22,683,000				12,376,000				22,683,000	12,376,000
Accrued expenses	81,069,000				80,012,000				81,069,000	80,012,000
Obligations on distribution centers	42,024,000								42,024,000
Net operating loss carryforwards and other tax credits	42,506,000								42,506,000
Other	57,129,000				47,422,000				57,129,000	47,422,000
Deferred tax liabilities:
Depreciation	(40,276,000)				(25,510,000)				(40,276,000)	(25,510,000)
Goodwill	(42,719,000)				(36,590,000)				(42,719,000)	(36,590,000)
Intangibles	(78,106,000)								(78,106,000)
Other	(39,957,000)				(27,228,000)				(39,957,000)	(27,228,000)
Total net deferred income tax assets	248,731,000				253,072,000				248,731,000	253,072,000
Operating loss carryforwards
California state enterprise zone credit carryforwards	9,900,000								9,900,000
Other tax credits	1,000,000								1,000,000
Federal
Operating loss carryforwards
Net operating loss carryforwards	22,300,000								22,300,000
State
Operating loss carryforwards
Net operating loss carryforwards	$ 9,300,000								$ 9,300,000