Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended		3 Months Ended	12 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Apr. 30, 2011 BPW Acquisition Corporation	Jan. 29, 2010 BPW Acquisition Corporation
Income Taxes [Line Items]
Effective income tax rate, including discrete items	(2.80%)	(109.70%)
Increase (decrease) in unrecognized tax benefits			$ (20)	$ 20