Goodwill and Other Intangible Assets (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Goodwill and Intangible Assets
Pre-tax amortization expense associated with intangible assets	$ 2.2	$ 0.8	$ 3.0	$ 1.6
Pre-tax amortization expense associated with intangible assets, 2014	7.0		7.0
Pre-tax amortization expense associated with intangible assets, 2015	13.9		13.9
Pre-tax amortization expense associated with intangible assets, 2016	13.9		13.9
Pre-tax amortization expense associated with intangible assets, 2017	13.9		13.9
Pre-tax amortization expense associated with intangible assets, 2018	$ 13.8		$ 13.8