Discontinued Operations - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Exit or disposal costs recognized	$ 0	$ 43,439	$ 0
Asset impairment charges	20,730	17,980	18,000
Total assets	0	0
Total liabilities	$ 0	$ 0