Shareholders' Equity (Details)	12 Months Ended
	Aug. 25, 2012
Shareholders' Equity [Abstract]
Number of classes of common stock	2
Common Stock [Member]
Class of Stock [Line Items]
Number of votes for each share of common stock	1
Cash dividend of Common Stock, as percentage of cash dividend paid on each share of Class B Common Stock (in hundredths)	125.00%
Common Class B [Member]
Class of Stock [Line Items]
Number of votes for each share of common stock	10
Number of shares of Class B Common Stock converted to Common Stock (in shares)	2,500