6 - Declared Dividends (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified		3 Months Ended
	Nov. 29, 2012	Apr. 27, 2013 Class A Common Stock	Jan. 26, 2013 Class A Common Stock	Apr. 27, 2013 Class B Common Stock	Jan. 26, 2013 Class B Common Stock
SpecialDividendsPerShareClassA	$ 1.00
SpecialDividendsPerShareClassB	$ 0.65
Common Stock, Dividends, Per Share, Declared		$ 0.25	$ 0.25	$ 0.1625	$ 0.1625
CashDividendsDeclared	$ 15,000