Lease Termination and Impairment Charges (Details 2) (Nonrecurring basis, USD $) In Thousands	3 Months Ended		6 Months Ended
	Aug. 27, 2011	Aug. 28, 2010	Aug. 27, 2011	Aug. 28, 2010
Fair value of long-lived assets
Long-lived assets held and used, impairment charges	$ 208	$ 1,312	$ 942	$ 2,446
Long-lived assets held for sale, impairment charges	449		449
Total Losses	657	1,312	1,391	2,446
Significant Other Observable Inputs (Level 2)
Fair value of long-lived assets
Long-lived assets held for sale	1,124		1,124
Total long-lived assets	1,124		1,124
Significant Unobservable Inputs (Level 3)
Fair value of long-lived assets
Long-lived assets held and used		291		291
Total long-lived assets		291		291
Fair value
Fair value of long-lived assets
Long-lived assets held and used		291		291
Long-lived assets held for sale	1,124		1,124
Total long-lived assets	$ 1,124	$ 291	$ 1,124	$ 291