Significant Components of 77 Kids' and M+O's Results Included in Loss from Discontinued Operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended							12 Months Ended
	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013		Jan. 28, 2012	Jan. 29, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total net revenue								$ 20,117		$ 39,753	$ 44,146
Loss from discontinued operations, before income taxes								(51,839)	[1]	(38,199)	(89,250)
Income tax benefit								19,849		14,625	34,166
Loss from discontinued operations, net of tax	(3,833)	(23,819)	(4,338)	(9,081)	(5,524)	(5,423)	(3,546)	(31,990)		(23,574)	(55,084)
Loss per common share from discontinued operations:
Basic	$ (0.02)	$ (0.12)	$ (0.02)	$ (0.05)	$ (0.03)	$ (0.03)	$ (0.02)	$ (0.16)		$ (0.12)	$ (0.28)
Diluted	$ (0.02)	$ (0.12)	$ (0.02)	$ (0.05)	$ (0.03)	$ (0.03)	$ (0.02)	$ (0.16)		$ (0.12)	$ (0.27)
77kids stores
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total net revenue								20,117		39,753	22,265
Loss from discontinued operations, before income taxes								(51,839)	[1]	(38,199)	(22,291)
Income tax benefit								19,849		14,625	8,494
Loss from discontinued operations, net of tax								(31,990)		(23,574)	(13,797)
Loss per common share from discontinued operations:
Basic								$ (0.16)		$ (0.12)	$ (0.07)
Diluted								$ (0.16)		$ (0.12)	$ (0.07)
M+O Brand
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total net revenue											21,881
Loss from discontinued operations, before income taxes											(66,959)
Income tax benefit											25,672
Loss from discontinued operations, net of tax											$ (41,287)
Loss per common share from discontinued operations:
Basic											$ (0.21)
Diluted											$ (0.20)

[1] Loss from discontinued operations is presented net of the reversal of non-cash lease credits