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Earnings Per Share EPS - Antidilutive Shares Excluded (Details) (Stock Options, USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Aug. 02, 2014
Jul. 27, 2013
Stock Options
   
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive securities excluded from computation of earnings per share (in shares) 1,455 2,267
Antidilutive securities excluded from computation of earnings per share, weighted average exercise price (dollars per share) $ 18.51 $ 16.04