Basis of Presentation Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
May 04, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Correction of certain errors relating to prior years, reduction in pre-tax loss	$ 2.5
Correction of certain errors relating to prior years, tax expense correction	$ 1.2

Quantifying Misstatement in Current Year Financial Statements, Amount, Reduction of Pre-Tax Loss Correction

No definition available.

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