CONSOLIDATED BALANCE SHEET (PARENTHETICAL) (USD $)	Apr. 29, 2012	May 01, 2011
Shareholders' equity:
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)	157,408,077	166,080,231
Common stock, shares outstanding (in shares)	157,408,077	166,080,231