Quarterly Financial Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Jan. 29, 2011	Oct. 30, 2010	Jul. 31, 2010	May 01, 2010	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Quarterly Financial Information [Line Items]
Net sales	$ 1,042,727	$ 831,826	$ 675,703	$ 609,562	$ 916,088	$ 751,507	$ 651,502	$ 648,462	$ 3,159,818	$ 2,967,559	$ 2,940,269
Gross profit	355,552	308,967	232,061	231,761	361,246	312,309	239,708	257,696	1,128,341	1,170,959	1,173,430
Income from continuing operations	51,284	52,427	19,669	28,325	87,038	33,191	25,843	35,862	151,705	181,934	213,398
Loss from discontinued operations						(167)	(16,180)	(24,940)		(41,287)	(44,376)
Net income	$ 51,284	$ 52,427	$ 19,669	$ 28,325	$ 87,038	$ 33,024	$ 9,663	$ 10,922	$ 151,705	$ 140,647	$ 169,022
Basic per common share amounts:
Income from continuing operations	$ 0.26	$ 0.27	$ 0.10	$ 0.15	$ 0.45	$ 0.17	$ 0.13	$ 0.17	$ 0.78	$ 0.91	$ 1.04
Loss from discontinued operations							$ (0.08)	$ (0.12)		$ (0.21)	$ (0.22)
Basic net income per common share	$ 0.26	$ 0.27	$ 0.10	$ 0.15	$ 0.45	$ 0.17	$ 0.05	$ 0.05	$ 0.78	$ 0.70	$ 0.82
Diluted per common share amounts:
Income from continuing operations	$ 0.26	$ 0.27	$ 0.10	$ 0.14	$ 0.44	$ 0.17	$ 0.13	$ 0.17	$ 0.77	$ 0.90	$ 1.02
Loss from discontinued operations							$ (0.08)	$ (0.12)		$ (0.20)	$ (0.21)
Diluted net income per common share	$ 0.26	$ 0.27	$ 0.10	$ 0.14	$ 0.44	$ 0.17	$ 0.05	$ 0.05	$ 0.77	$ 0.70	$ 0.81