Segment Information (Schedule Of Segment Reporting Information, By Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 28, 2012		Apr. 30, 2011		Jan. 28, 2012
Segment Reporting Information [Line Items]
Total sales	$ 900.0		$ 887.3
Total operating income, net	129.4		118.7
Total assets	3,485.2		3,199.6		3,611.4
US [Member]
Segment Reporting Information [Line Items]
Total sales	751.5		738.0
Total operating income, net	137.7		126.2
Total assets	2,684.1		2,495.5		2,747.5
UK [Member]
Segment Reporting Information [Line Items]
Total sales	148.5		149.3
Total operating income, net	(3.0)		(0.2)
Total assets	458.0		428.9		427.3
Unallocated [Member]
Segment Reporting Information [Line Items]
Total operating income, net	(5.3)	[1]	(7.3)	[1]
Total assets	$ 343.1	[1]	$ 275.2	[1]	$ 436.6	[1]

[1] Unallocated principally relates to central costs and assets, which include corporate and general administrative functions.