Earnings Per Share (Tables)
 12 Months Ended
Apr. 26, 2013
Footnote Earnings Per Share  
Schedule Of Weighted Average Number Of Shares [Table Text Block]
       
  2013 2012 2011
Basic 28,094 29,679 30,332
Dilutive stock options  - 102 90
Diluted 28,094 29,781 30,422