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Income Taxes - Additional Information (Detail)
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Income Tax Disclosure [Abstract]        
Income tax expense/benefit as percentage of pre-tax income/loss 38.40% 47.20% 39.80% 31.10%