CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $)	May 01, 2011	May 02, 2010
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 1	$ 1
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)	200,000,000	200,000,000
Common stock, shares issued (in shares)	166,080,231	165,995,732
Common stock, shares outstanding (in shares)	166,080,231	165,995,732