Goodwill and Other Intangible Assets (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012	Feb. 02, 2013
Goodwill and Intangible Assets
Pretax amortization expense associated with intangible assets	$ 0.8	$ 0.8	$ 1.6	$ 1.6	$ 3.3
Pretax amortization expense associated with intangible assets, 2013	1.6		1.6
Pretax amortization expense associated with intangible assets, 2014	3.2		3.2
Pretax amortization expense associated with intangible assets, 2015	3.2		3.2
Pretax amortization expense associated with intangible assets, 2016	3.2		3.2
Pretax amortization expense associated with intangible assets, 2017	$ 3.1		$ 3.1