Gift Card Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Revenue Recognition [Abstract]
Period for determining unredeemed point on inactive gift card			24 months
Breakage income	$ 0.1	$ 0.1	$ 0.4	$ 0.5