Basis of Presentation (Details)	3 Months Ended		9 Months Ended
	Oct. 29, 2011 weeks	Oct. 30, 2010 weeks	Oct. 29, 2011 weeks	Oct. 30, 2010 weeks
Basis of Presentation Disclosure [Abstract]
Number of Weeks in Current Quarter (in weeks)	13	13
Number of Weeks Year To Date (in weeks)			39	39