Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Aug. 03, 2013	Feb. 02, 2013	Jul. 28, 2012
Statement Of Financial Position [Abstract]
Preferred stock, no par value
Preferred stock, shares authorized	10,000,000	10,000,000	10,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, no par value
Common stock, shares authorized	100,000,000	100,000,000	100,000,000
Common stock, shares issued	17,229,536	17,078,092	17,061,615
Common stock, shares outstanding	17,229,536	17,078,092	17,061,615