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Earnings Per Share - Additional Information (Detail)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Earnings Per Share [Abstract]        
Weighted average common stock equivalents 0.3 0.1 0.2 0.6