Summary Of Share Awards Outstanding And Exercisable (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 17.9	$ 21.9	$ 19.8
Weighted average period of amortization	1 year 8 months 12 days	1 year 7 months 6 days	1 year 9 months 18 days
Omnibus Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	14.6	16.3	11.0
Saving Share Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	2.9	3.3	1.8
CEO Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	0.4	2.3	6.7
Executive Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost			0.1
Long Term Incentive Plans (LTIPs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost			$ 0.2