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Employee Benefit Plans (Details) (USD $)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]      
Company match of employee salary, percent 4.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent    
Company contributions $ 11,400,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 10,400,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 9,400,000us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Underlying assets in non-qualified deferred compensation program 94,054,000us-gaap_DeferredCompensationPlanAssets 88,269,000us-gaap_DeferredCompensationPlanAssets  
Liability to participants 94,054,000us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent 88,269,000us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent  
Estimated liability for post-employment medical benefits $ 9,700,000us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent $ 6,800,000us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent