Acquisitions and Goodwill - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Feb. 28, 2015 acquisition Store	Mar. 01, 2014 acquisition Store	Mar. 02, 2013
Business Acquisition [Line Items]
Goodwill	$ 34,719us-gaap_Goodwill	$ 25,608us-gaap_Goodwill	$ 13,888us-gaap_Goodwill
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Number of acquisitions	7	4
Purchase price to acquire entity	11,450	13,837
Contingent consideration estimated fair value	700
Number of running stores	20	15
Goodwill	$ 9,067	$ 11,652

Number of Acquisitions

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Represents the number of stores.

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