Impairment of Long-Lived Assets - Long-Lived Assets Tested for Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment charges	$ 378	$ 377	$ 980	$ 2,040