LEASES (Details) (USD $)	12 Months Ended
	Feb. 25, 2012	Feb. 26, 2011	Feb. 27, 2010
Future minimum lease payments under non-cancelable operating leases
2012	$ 466,029,000
2013	436,347,000
2014	390,718,000
2015	348,181,000
2016	302,869,000
Thereafter	1,094,253,000
Total future minimum lease payments	3,038,397,000
Expenses for operating leases	$ 456,200,000	$ 442,200,000	$ 423,300,000