Lease Termination and Impairment Charges (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 01, 2014	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
Fair value of long-lived assets
Total Losses	$ (17,270)	$ (1,672)	$ (11,390)	$ (10,972)	$ (36,567)	$ (14,366)	$ (7,783)	$ (12,143)	$ (41,304)	$ (70,859)	$ (100,053)
Nonrecurring basis
Fair value of long-lived assets
Long-lived assets held and used, impairment charges									(12,279)	(24,298)
Long-lived assets held for sale, impairment charges									(798)	(594)
Total Losses									(13,077)	(24,892)
Nonrecurring basis | Significant Observable Inputs (Level 2)
Fair value of long-lived assets
Long-lived assets held and used	42				1,018				42	1,018
Long-lived assets held for sale	14,656				1,842				14,656	1,842
Total long-lived assets	14,698				2,860				14,698	2,860
Nonrecurring basis | Significant Unobservable Inputs (Level 3)
Fair value of long-lived assets
Long-lived assets held and used	15,051				21,739				15,051	21,739
Total long-lived assets	15,051				21,739				15,051	21,739
Nonrecurring basis | Fair Values as of Impairment Date
Fair value of long-lived assets
Long-lived assets held and used	15,093				22,757				15,093	22,757
Long-lived assets held for sale	14,656				1,842				14,656	1,842
Total long-lived assets	$ 29,749				$ 24,599				$ 29,749	$ 24,599