Note 7 - Income Taxes (Details) - Unrecognized Tax Benefits (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 03, 2014		Apr. 27, 2013	Apr. 28, 2012
Unrecognized Tax Benefits [Abstract]
Beginning balance	$ 4,349		$ 4,548	$ 4,687
Increases due to current period tax positions	268		415	408
Decreases due to lapse of statute of limitations and audit resolutions	(2,494)	[1]	(614)	(547)
Ending balance	$ 2,123		$ 4,349	$ 4,548

[1] Includes $1,907 related to the Internal Revenue Service review of the Company's federal income tax returns for the three years ended April 2013 noted above.