Consolidated Condensed Balance Sheets (Parenthetical) (USD $)	Nov. 24, 2012	Aug. 25, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.1	$ 0.1
Common stock, shares authorized	600,000,000	600,000,000
Common stock, shares issued	119,927,946	119,125,739
Common stock, shares outstanding	115,790,201	115,362,048
Common stock held in treasury, shares	4,137,745	3,763,691