Acquired Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Acquired Intangible Assets Amortization [Line Items]
Amortizable	$ 7,500	$ 8,200	$ 8,400
Weighted Average Amortization Period for Amortizable Intangible Asset Acquisitions	7 years 3 months 18 days
Lease rights
Acquired Intangible Assets Amortization [Line Items]
Amortizable	81	1,389	2,276
Weighted Average Amortization Period for Amortizable Intangible Asset Acquisitions	10 years	10 years	9 years 3 months 18 days
Other
Acquired Intangible Assets Amortization [Line Items]
Amortizable	$ 94	$ 154	$ 173
Weighted Average Amortization Period for Amortizable Intangible Asset Acquisitions	5 years	5 years	5 years