Note 7 - Derivative Financial Instruments (Detail) (USD $)	Jan. 26, 2013	Apr. 28, 2012
Derivative, Notional Amount	$ 7,500,000
Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months	123,000
Derivative Asset, Fair Value, Net	$ 123,000	$ 503,000

Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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