Lease Termination and Impairment Charges (Details 2) (Nonrecurring basis, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 26, 2011	Nov. 27, 2010	Nov. 26, 2011	Nov. 27, 2010
Fair value of long-lived assets
Long-lived assets held and used, impairment charges	$ 750	$ 751	$ 1,692	$ 3,197
Long-lived assets held for sale, impairment charges	689		1,137
Total Losses	1,439	751	2,829	3,197
Significant Other Observable Inputs (Level 2)
Fair value of long-lived assets
Long-lived assets held and used		3,493		3,493
Long-lived assets held for sale	2,800		2,800
Total long-lived assets	2,800	3,493	2,800	3,493
Significant Unobservable Inputs (Level 3)
Fair value of long-lived assets
Long-lived assets held and used		162		162
Total long-lived assets		162		162
Fair value
Fair value of long-lived assets
Long-lived assets held and used		3,655		3,655
Long-lived assets held for sale	2,800		2,800
Total long-lived assets	$ 2,800	$ 3,655	$ 2,800	$ 3,655