Derivative Financial Instruments (Details 2) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012 USD ($)	Jul. 30, 2011 USD ($)	Jul. 28, 2012 USD ($)	Jul. 30, 2011 USD ($)	Jul. 28, 2012 USD USD ($) contract	Jan. 28, 2012 USD USD ($) contract	Jul. 30, 2011 USD USD ($) contract	Jul. 28, 2012 CAD contract	Jan. 28, 2012 CAD contract	Jul. 30, 2011 CAD contract	Jul. 28, 2012 GBP GBP (£) contract	Jan. 28, 2012 GBP GBP (£) contract	Jul. 30, 2011 GBP GBP (£) contract
Derivative
Notional amount maturing in varying increments					$ 0.9	$ 1.7	$ 1.0	7.3	5.9	6.1	£ 11.8	£ 10.5	£ 11.9
Number of contracts maturing in varying increments					10	10	2	13	9	6	18	22	34
Derivative Financial Instruments (Textual) [Abstract]
Pre-tax gain (loss) on derivatives within cost of sales	$ 0.6	$ (0.8)	$ (0.2)	$ (1.5)