Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Aug. 01, 2015	Jan. 31, 2015	Jul. 26, 2014
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	80,000,000	80,000,000	80,000,000
Common stock, shares issued (in shares)	36,401,700	35,507,986	35,034,848
Common stock, shares outstanding (in shares)	22,895,773	22,006,329	21,556,541
Treasury stock (in shares)	13,505,927	13,501,657	13,478,307