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Consolidated Statements of Operations and Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Income Statement [Abstract]      
Tax benefit of discontinued operation $ (4,228)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation $ (5,237)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation $ (2,172)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Other comprehensive income, tax:      
Employee benefit related adjustment, tax (1,505)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax 683us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax (992)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax
Amortization of employee benefit related costs, tax $ 150us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax $ 229us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax $ 156us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax