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Note 8 - Income Taxes (Details) - Provision (Benefit) for Income Taxes (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 27, 2013	Apr. 28, 2012	Apr. 30, 2011
Provision (Benefit) for Income Taxes [Abstract]
Current	$ 23,359	$ 23,380	$ 22,590
Deferred	172	(477)	(694)
Total	$ 23,531	$ 22,903	$ 21,896

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.