Intangible Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 03, 2013	Feb. 02, 2013	Jul. 28, 2012
Intangible Liabilities [Line Items]
Gross carrying amount	$ (16,626)	$ (16,631)	$ (16,627)
Accumulated amount	8,725	7,382	5,834
Net amount	$ (7,901)	$ (9,249)	$ (10,793)