Acquisitions and Goodwill - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified					6 Months Ended	12 Months Ended
	Aug. 30, 2014	Mar. 01, 2014	Aug. 31, 2013	Mar. 02, 2013	Aug. 30, 2014 Individually Immaterial Acquisitions acquisition Store	Mar. 01, 2014 Individually Immaterial Acquisitions acquisition Store
Business Acquisition [Line Items]
Number of acquisitions					1	4
Purchase price to acquire entity					$ 4,282	$ 13,387
Business Combination, Contingent Consideration, Liability, Noncurrent					350	450
Number of running stores					8	15
Goodwill	$ 29,458	$ 25,608	$ 21,544	$ 13,888	$ 3,811	$ 11,647