PROVISION FOR INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Feb. 25, 2012 state	Feb. 26, 2011	Feb. 27, 2010
Gross unrecognized tax benefits from uncertain tax positions
Balance at beginning of year	$ 141,869,000	$ 113,086,000
Increase related to current year positions	23,286,000	24,051,000
Increase related to prior year positions	12,533,000	16,677,000
Decrease related to prior year positions	(33,191,000)	(8,273,000)
Settlements	(17,822,000)	(1,576,000)
Lapse of statute of limitations	(1,712,000)	(2,096,000)
Balance at end of year	124,963,000	141,869,000	113,086,000
Gross unrecognized tax benefits, current	1,400,000	42,200,000
Gross unrecognized tax benefits, non-current	123,622,000	99,730,000
Gross unrecognized tax benefits affecting the effective tax rate	123,300,000	137,600,000
Liability for gross unrecognized tax benefits, accrued interest	27,100,000	30,200,000
Gross unrecognized tax benefits, increase of interest on income taxes	2,300,000	9,200,000
Minimum adjustment to gross unrecognized tax benefits due to the settlement of audits and the expiration of statutes of limitations	1,000,000
Maximum adjustment to gross unrecognized tax benefits due to the settlement of audits and the expiration of statutes of limitations	$ 2,000,000
Number of states in which entity operates	50
Income Tax Examination
Federal statutory income tax rate (as a percent)	35.00%	35.00%	35.00%
State income tax rate, net of federal benefit (as a percent)	2.90%	2.77%	3.29%
Provision for uncertain tax positions (as a percent)	0.23%	1.86%	1.96%
Other income tax benefits (as a percent)	1.13%	0.83%	1.15%
Minimum
Income Tax Examination
Number of years open for examination under state and local jurisdictions	3
Maximum
Income Tax Examination
Number of years open for examination under state and local jurisdictions	5