Accounts Receivable, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 28, 2012 D	Apr. 28, 2012 UK [Member]	Jan. 28, 2012 UK [Member]	Apr. 30, 2011 UK [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross accounts receivable		$ 9.5	$ 11.3	$ 7.5
Valuation of allowance		$ 0.7	$ 0.5	$ 0.5
Percentage allowance on losses	100.00%
Losses allowance maturity date, (in days)	90
Finance receivable age, (in days)	90