Quarterly Financial Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Quarterly Financial Information [Line Items]
Total net revenue	$ 1,071,853	$ 854,290	$ 710,595	$ 646,129	$ 1,041,707	$ 857,305	$ 727,313	$ 679,477	$ 3,282,867	$ 3,305,802	$ 3,475,802
Gross profit	375,810	315,472	237,547	225,845	306,020	298,875	245,495	263,609	1,154,674	1,113,999	1,390,322
Income from continuing operations	70,073	9,035	5,813	3,866	10,510	24,903	19,594	27,976	88,787	82,983	264,098
Loss from discontinued operations, net of tax	(8,465)								(8,465)		(31,990)
Net income	$ 61,608	$ 9,035	$ 5,813	$ 3,866	$ 10,510	$ 24,903	$ 19,594	$ 27,976	$ 80,322	$ 82,983	$ 232,108
Basic per common share amounts:
Income from continuing operations	$ 0.36	$ 0.05	$ 0.03	$ 0.02	$ 0.05	$ 0.13	$ 0.10	$ 0.14	$ 0.46	$ 0.43	$ 1.35
Loss from discontinued operations, net of tax	$ (0.04)								$ (0.04)		$ (0.16)
Basic net income per common share	$ 0.32	$ 0.05	$ 0.03	$ 0.02	$ 0.05	$ 0.13	$ 0.10	$ 0.14	$ 0.42	$ 0.43	$ 1.19
Diluted per common share amounts:
Income from continuing operations	$ 0.36	$ 0.05	$ 0.03	$ 0.02	$ 0.05	$ 0.13	$ 0.10	$ 0.14	$ 0.46	$ 0.43	$ 1.32
Loss from discontinued operations, net of tax	$ (0.04)								$ (0.04)		$ (0.16)
Diluted net income per common share	$ 0.32	$ 0.05	$ 0.03	$ 0.02	$ 0.05	$ 0.13	$ 0.10	$ 0.14	$ 0.42	$ 0.43	$ 1.16