Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended
	May 03, 2014	May 04, 2013	Feb. 01, 2014
Income Tax Disclosure [Line Items]
Effective tax rate	30.90%	36.00%
Unrecognized tax benefits			$ 800,000
Unrecognized tax benefits, interest and penalties			300,000
Unrecognized tax benefits, Decrease	(68,000)
Decrease in interest and penalties	$ (109,000)
Internal Revenue Service (IRS) | Minimum
Income Tax Disclosure [Line Items]
Open tax years	2011
Internal Revenue Service (IRS) | Maximum
Income Tax Disclosure [Line Items]
Open tax years	2014