Goodwill and Other Intangible Assets (Details Textuals) (USD $) In Millions	6 Months Ended		12 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jan. 29, 2011
Goodwill and Other Intangible Assets (Textuals) [Abstract]
Pretax amortization expense associated with intangible assets	$ 1.7	$ 0.6	$ 2.4
Pretax amortization expense associated with intangible assets, 2011	1.7
Pretax amortization expense associated with intangible assets,2012	3.3
Pretax amortization expense associated with intangible assets,2013	3.2
Pretax amortization expense associated with intangible assets,2014	3.2
Pretax amortization expense associated with intangible assets,2015	$ 3.2