Quarterly Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Quarterly Financial Information Disclosure [Abstract]
Total net revenue	$ 1,105,828	$ 919,072	$ 797,428	$ 699,520	$ 1,071,853	$ 854,290	$ 710,595	$ 646,129	$ 3,521,848	$ 3,282,867	$ 3,305,802
Gross profit	387,951	367,532	285,039	262,212	375,810	315,472	237,547	225,845	1,302,734	1,154,674	1,113,999
Income from continuing operations	81,706	69,265	33,265	29,055	70,073	9,035	5,813	3,866	213,291	88,787	82,983
Discontinued operations, net of tax		4,847			(8,465)				4,847	(8,465)
Net income	$ 81,706	$ 74,112	$ 33,265	$ 29,055	$ 61,608	$ 9,035	$ 5,813	$ 3,866	$ 218,138	$ 80,322	$ 82,983
Basic per common share amounts:
Income from continuing operations	$ 0.42	$ 0.35	$ 0.17	$ 0.15	$ 0.36	$ 0.05	$ 0.03	$ 0.02	$ 1.10	$ 0.46	$ 0.43
Discontinued operations		0.03			(0.04)				0.02	(0.04)
Basic net income per common share	0.42	0.38	0.17	0.15	0.32	0.05	0.03	0.02	1.12	0.42	0.43
Diluted per common share amounts:
Income from continuing operations	0.42	0.35	0.17	0.15	0.36	0.05	0.03	0.02	1.09	0.46	0.43
Discontinued operations		0.03			(0.04)				0.02	(0.04)
Diluted net income per common share	$ 0.42	$ 0.38	$ 0.17	$ 0.15	$ 0.32	$ 0.05	$ 0.03	$ 0.02	$ 1.11	$ 0.42	$ 0.43