Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
Oct. 27, 2012	Jan. 28, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Company's fiscal period	53-week fiscal year	52-week fiscal year
Prior period reclassification adjustment	$ 4.8

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration