Shareholders' Equity - Common Stock and Preferred Stock - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013 Series B Preferred Stock [Member]	Jan. 28, 2012 Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued to landlords		900,000
Stock issued to landlords, fair value		$ 1.6
Right to purchase common stock	13,500,000
Exercise price	1.75