XML 49 R47.htm IDEA: XBRL DOCUMENT v2.4.0.6
Organization And Basis Of Presentation (Fiscal Year) (Details)
12 Months Ended
Jan. 29, 2012
weeks
Jan. 30, 2011
weeks
Jan. 31, 2010
weeks
Organization And Basis Of Presentation [Abstract]      
Number of weeks in reporting period 52 52 53