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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $)	Aug. 03, 2014	Apr. 27, 2014		Jul. 28, 2013
Statement Of Financial Position [Abstract]
Preferred stock, par value	$ 0.05	$ 0.05	[1]	$ 0.05
Preferred stock, authorized shares	10,000,000	10,000,000	[1]	10,000,000
Common stock, par value	$ 0.05	$ 0.05	[1]	$ 0.05
Common stock, authorized shares	40,000,000	40,000,000	[1]	40,000,000
Common stock, issued	12,216,766	12,250,030	[1]	12,241,405
Common stock, outstanding	12,216,766	12,250,030	[1]	12,241,405
[1] Derived from audited financial statements.

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Face amount or stated value per share of common stock.

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