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Financial Instruments and Risk Management - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Derivative [Line Items]    
Number of countries of operation 23us-gaap_NumberOfCountriesInWhichEntityOperates  
Amount Of Hedge Loss Included in AOCL $ 3fl_AmountOfHedgeLossIncludedInAocl  
Derivatives Designated as Hedging Instruments | Forward foreign exchange contracts    
Derivative [Line Items]    
Notional value of contracts outstanding 63invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForeignExchangeForwardMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
 
Derivative contracts maturity date 2016-01  
Increase Decrease In Fair Value Of Hedge Positions (1)fl_IncreaseDecreaseInFairValueOfHedgePositions
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForeignExchangeForwardMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
 
Derivatives Designated as Non-Hedging Instruments | Forward foreign exchange contracts    
Derivative [Line Items]    
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net   1us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForeignExchangeForwardMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
Derivatives Designated as Non-Hedging Instruments | Foreign currency option contracts    
Derivative [Line Items]    
Notional value of contracts outstanding 34invest_DerivativeNotionalAmount
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForeignExchangeOptionMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
 
Derivative contracts maturity date 2015-10  
Fair Value, Option, Changes in Fair Value, Gain (Loss) 1us-gaap_FairValueOptionChangesInFairValueGainLoss1
/ us-gaap_DerivativeByNatureAxis
= us-gaap_ForeignExchangeOptionMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
 
Top Five Suppliers    
Derivative [Line Items]    
Percentage of merchandise purchased 89.00%fl_PercentageOfMerchandisePurchased
/ fl_SignificantSupplierAxis
= fl_TopFiveSuppliersMember
 
Nike    
Derivative [Line Items]    
Percentage of merchandise purchased 73.00%fl_PercentageOfMerchandisePurchased
/ fl_SignificantSupplierAxis
= fl_NikeMember
 
Other Suppliers    
Derivative [Line Items]    
Percentage of merchandise purchased 11.00%fl_PercentageOfMerchandisePurchased
/ fl_SignificantSupplierAxis
= fl_OtherSuppliersMember
 
European    
Derivative [Line Items]    
Number of countries of operation 19us-gaap_NumberOfCountriesInWhichEntityOperates
/ fl_SignificantSupplierAxis
= us-gaap_EuropeMember
 
Asset Net $ 883us-gaap_AssetsNet
/ fl_SignificantSupplierAxis
= us-gaap_EuropeMember
 
European | Currency, Euro    
Derivative [Line Items]    
Number of countries of operation 11us-gaap_NumberOfCountriesInWhichEntityOperates
/ fl_CurrencyTypeAxis
= fl_CurrencyEuroMember
/ fl_SignificantSupplierAxis
= us-gaap_EuropeMember
 
Direct To Consumer [Member] | Nike | Minimum    
Derivative [Line Items]    
Percentage of merchandise purchased 47.00%fl_PercentageOfMerchandisePurchased
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ fl_SignificantSupplierAxis
= fl_NikeMember
/ us-gaap_StatementBusinessSegmentsAxis
= fl_DirectToConsumerMember
 
Direct To Consumer [Member] | Nike | Maximum    
Derivative [Line Items]    
Percentage of merchandise purchased 84.00%fl_PercentageOfMerchandisePurchased
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ fl_SignificantSupplierAxis
= fl_NikeMember
/ us-gaap_StatementBusinessSegmentsAxis
= fl_DirectToConsumerMember