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Note 7 - Income Taxes (Details) - Components of Income Tax Expense (Benefit) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
May 03, 2014
Apr. 27, 2013
Apr. 28, 2012
Components of Income Tax Expense (Benefit) [Abstract]      
Current $ 19,395 $ 23,359 $ 23,380
Deferred 79 172 (477)
Total $ 19,474 $ 23,531 $ 22,903