Selected Quarterly Financial Data - Unaudited (Detail) (USD $)	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
Disclosure - Selected Quarterly Financial Data - Unaudited [Abstract]
Restructuring Charge, after-tax																	$ 10,200,000
Recognition of gift card and merchandise credit breakage																	1,209,000	2,055,000	6,602,000
Sales	647,403,000		646,805,000		648,660,000		590,592,000		623,255,000		657,532,000		638,198,000		574,506,000		2,533,460,000	2,493,491,000	2,375,509,000
Gross margin	296,215,000		339,942,000		339,605,000		315,192,000		307,246,000		366,220,000		349,277,000		320,565,000		1,290,954,000	1,343,308,000	1,302,342,000
Net income	262,000		29,856,000		32,679,000		5,183,000	[1]	4,680,000		41,189,000		35,649,000		20,912,000		67,980,000	102,430,000	102,585,000
Basic earnings per share	$ 0.01	[2]	$ 0.65	[2]	$ 0.70	[2]	$ 0.11	[2]	$ 0.10	[2]	$ 0.90	[2]	$ 0.76	[2]	$ 0.45	[2]	$ 1.47	$ 2.21	$ 2.13
Diluted earnings per share	$ 0.01	[2]	$ 0.65	[2]	$ 0.70	[2]	$ 0.11	[2]	$ 0.10	[2]	$ 0.89	[2]	$ 0.76	[2]	$ 0.44	[2]	$ 1.46	$ 2.19	$ 2.10
Restructuring charge																	$ 17,303,000	$ 0	$ 0

[1] Net income for the first quarter of Fiscal 2014 reflects the $10.2 million after-tax impact of a $17.3 million pre-tax restructuring charge.

[2] The sum of the quarterly per share data may not equal the annual amounts due to quarterly changes in the weighted average shares and share equivalents outstanding.