Consolidated Statements of Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
us-gaap_StatementOfStockholdersEquityAbstract
Tax Effect of Unrealized Gains (Losses) On Available-For-Sale Securities	$ 6	$ 5	$ (26)
Stock Transactions, Parenthetical Disclosures [Abstract]
Dividends per share	$ 1.2	$ 1.2	$ 0.2
Class A common stock shares sold through employee stock purchase plans	16,305	20,941	19,070
Exercised	0	500	9,050
Class A common stock shares issued through restricted stock grant plans	118,745	164,927	198,017
Retirement of treasury shares - retired shares	179,990	1,509,965	271,296