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Fair Value Measurements (Narrative) (Details) (USD $)
 3 Months Ended
May 02, 2015
May 03, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferral percentage of base salary 50.00%cal_DeferredCompensationPlanMaximumPercentageOfDeferralOfBaseSalary  
Percentage component of compensation allowed as deferral under deferred compensation plan 100.00%cal_DeferredCompensationPlanMaximumPercentageOfDeferralOfAnnualIncentiveCompensation  
Minimum pay out percentage 0.00%cal_ShareBasedPaymentsMinimumPayOutPercentage  
Maximum pay out percentage 200.00%cal_ShareBasedPaymentsMaximumPayOutPercentage  
Long-lived assets held for use $ 86,400,000cal_LongLivedAssetsHeldForUse $ 79,000,000cal_LongLivedAssetsHeldForUse
Selling and Administrative Expenses [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment charge of long-lived assets 375,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 336,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
Selling and Administrative Expenses [Member] | Famous Footwear [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment charge of long-lived assets 300,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= cal_FamousFootwearMember		  
Selling and Administrative Expenses [Member] | Specialty Retail [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment charge of long-lived assets $ 100,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_StatementBusinessSegmentsAxis
= cal_SpecialtyRetailMember		  
Performance Share Units [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Requisite service period 3 years  
Maximum pay out percentage 200.00%cal_ShareBasedPaymentsMaximumPayOutPercentage
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember