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Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 02, 2015
May 03, 2014
Income Statement [Abstract]    
Tax benefit of discontinued operation   $ 4,257us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Other comprehensive income:    
Amortization of employee benefit related costs net taxation $ 68us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax $ 38us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax