CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (Parentheticals) (USD $)	Apr. 28, 2013	Apr. 29, 2012
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, authorized shares (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.50	$ 0.50
Common stock, authorized shares (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	138,919,056	157,408,077
Common stock, shares outstanding (in shares)	138,919,056	157,408,077