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8. Employee Benefit Plans (Details) - Schedule of Net Benefit Costs (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 03, 2015
May 04, 2014
Net periodic benefit cost    
Service cost $ 101us-gaap_DefinedBenefitPlanServiceCost $ 25us-gaap_DefinedBenefitPlanServiceCost
Interest cost 72us-gaap_DefinedBenefitPlanInterestCost 85us-gaap_DefinedBenefitPlanInterestCost
Actuarial loss (gain) 45us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax (13)us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
Net periodic benefit cost $ 218us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost $ 97us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost