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Earnings Per Share - Additional Information (Details) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jul. 29, 2017
Jul. 30, 2016
Jul. 29, 2017
Jul. 30, 2016
Earnings Per Share [Abstract]        
Number of antidilutive securities (in shares) 0.8 0.8 0.7 0.9