Derivative Financial Instruments (Details 2) In Millions, unless otherwise specified	3 Months Ended
	Apr. 28, 2012 USD ($)	Apr. 30, 2011 USD ($)	Apr. 28, 2012 USD USD ($) contract	Jan. 28, 2012 USD USD ($) contract	Apr. 30, 2011 USD USD ($) contract	Apr. 28, 2012 CAD contract	Jan. 28, 2012 CAD contract	Apr. 30, 2011 CAD contract	Apr. 28, 2012 GBP GBP (£) contract	Jan. 28, 2012 GBP GBP (£) contract	Apr. 30, 2011 GBP GBP (£) contract
Derivative
Notional amount maturing in varying increments			$ 1.4	$ 1.7	$ 3.0	5.0	5.9	0.2	£ 10.9	£ 10.5	£ 21.7
Number of contracts maturing in varying increments			12	10	6	11	9	2	15	22	60
Derivative Financial Instruments (Textual) [Abstract]
Pre-tax gain (loss) on derivatives within cost of sales	$ (0.8)	$ (0.8)