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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
Income Taxes (Details) (USD $)	Aug. 24, 2012	Aug. 26, 2011	Aug. 24, 2012	Aug. 26, 2011
Income Taxes [Abstract]
Effective tax rates (in hundredths)	43.40%	38.40%	40.20%	38.20%
Provision for income taxes	$ 994,000	$ 952,000	$ 2,008,000	$ 1,944,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Federal net loss carryforwards available to offset future income tax liabilities	$ 18,400,000		$ 18,400,000

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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