Annual report pursuant to section 13 and 15(d)

Earnings per Share (Details Textual)

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Earnings per Share (Details Textual) (Stock Options [Member])
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Stock Options [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive stock options 0.4 0.8 1.0