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Income Taxes - Additional Information (Detail)
3 Months Ended 6 Months Ended
Aug. 01, 2015
Aug. 02, 2014
Aug. 01, 2015
Aug. 02, 2014
Income Tax Disclosure [Abstract]        
Income tax rate as a percentage of pre-tax income or loss 38.40% 38.40% 34.20% 39.80%