Note 7 - Income Taxes (Details) - Reconciliation of Income Tax Rate	12 Months Ended
	May 03, 2014		Apr. 27, 2013	Apr. 28, 2012
Reconciliation of Income Tax Rate [Abstract]
Statutory federal income tax rate	35.00%	[1]	35.00%	35.00%
State income taxes, net of federal benefit	2.30%	[1]	1.60%	2.70%
Manufacturing deduction benefit	(3.00%)	[1]	(3.10%)	(3.10%)
Adjustment of unrecognized tax benefit	(3.30%)	[1]	(0.20%)	(0.10%)
Other differences	(0.10%)	[1]	0.10%	(0.30%)
Effective income tax rate	30.90%	[1]	33.40%	34.20%

[1] During April 2014, the Company reached an agreement with the Internal Revenue Service with respect to its review of the Company's federal income tax returns for the three years ended April 2013. No material adjustments were proposed and, accordingly, the Company adjusted the related unrecognized tax benefits during the fourth quarter of Fiscal 2014.