Commitments and Contingencies (Details)	6 Months Ended
	Aug. 27, 2011 Year Matter Auditcycle
Commitments and contingencies
Number of legal matters	1
Craig et al
Commitments and contingencies
Number of current and former store managers to whom notice has been sent	6,700
Number of current and former store managers who joined the action	1,100
Indergit
Commitments and contingencies
Number of current and former store managers to whom notice has been sent	7,000
Number of current and former store managers who joined the action	1,550