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Earnings Per Share - Additional Information (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Oct. 29, 2016
Oct. 31, 2015
Oct. 29, 2016
Oct. 31, 2015
Earnings Per Share [Abstract]        
Number of antidilutive securities (in shares) 0.7 0.3 0.9 1.3