Commitments And Contingencies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Loss Contingencies [Line Items]
Lease renewal period, minimum	5 years
Lease renewal period, maximum	7 years
Operating lease agreement extension term	10 years
Rent expense	$ 9.5	$ 6.9
Contingent rents	0.1	0.1
Key employees [Member]
Loss Contingencies [Line Items]
Maximum additional payments upon employee separation	4.1
Contruction materials for new stores [Member]
Loss Contingencies [Line Items]
Total other purchase commitments	$ 0.9