Lease Termination and Impairment Charges (Details 2) (Nonrecurring basis, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 03, 2012	Feb. 26, 2011
Fair value of long-lived assets
Long-lived assets held and used, impairment charges	$ (50,718)	$ (114,330)
Long-lived assets held for sale, impairment charges	(1,280)	(791)
Total Losses	(51,998)	(115,121)
Significant Other Observable Inputs (Level 2)
Fair value of long-lived assets
Long-lived assets held and used	23,254	21,822
Long-lived assets held for sale	5,407	2,479
Total long-lived assets	28,661	24,301
Significant Unobservable Inputs (Level 3)
Fair value of long-lived assets
Long-lived assets held and used	36,485	43,129
Total long-lived assets	36,485	43,129
Fair value
Fair value of long-lived assets
Long-lived assets held and used	59,739	64,951
Long-lived assets held for sale	5,407	2,479
Total long-lived assets	$ 65,146	$ 67,430