Property and Equipment (Detail) - USD ($) $ in Thousands	Jul. 30, 2016	Jan. 30, 2016	Aug. 01, 2015
Property Plant And Equipment [Abstract]
Property and equipment, at cost	$ 1,824,869	$ 1,792,382	$ 1,757,957
Less: Accumulated depreciation	(1,124,599)	(1,088,796)	(1,042,307)
Property and equipment, net	$ 700,270	$ 703,586	$ 715,650