Consolidated Statements of Stockholders' Equity (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
us-gaap_StatementOfStockholdersEquityAbstract
Tax Effect of Unrealized Gains (Losses) On Available-For-Sale Securities	$ (69)	$ 406	$ (112)
Stock Transactions, Parenthetical Disclosures [Abstract]
Dividends per share	$ 2.980	$ 0.875	$ 0.720
Class A common stock shares sold through employee stock purchase plans	32,995	23,975	23,849
Class A common stock shares sold through stock option plans	5,750	4,875	42,675
Class A common stock shares issued through restricted stock grant plans	98,743	85,556	109,291
Retirement of treasury shares - retired shares	12,997	453,655	260,277