Consolidated Statements of Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
us-gaap_StatementOfStockholdersEquityAbstract
Tax Effect of Unrealized Gains (Losses) On Available-For-Sale Securities	$ (79)	$ 453	$ 77
Stock Transactions, Parenthetical Disclosures [Abstract]
Dividends per share	$ 0.33	$ 1.32	$ 1.32
Class A common stock shares sold through employee stock purchase plans	48,191	48,626	44,770
Exercised			8,051
Class A common stock shares issued through restricted stock grant plans	231,194	321,484	341,744
Repurchase of treasury shares	1,975,373	622,480	593,404