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Derivative Financial Instruments (Details 2) (Cash flow hedges, USD $)
In Millions, unless otherwise specified
 3 Months Ended
May 02, 2015
Jan. 31, 2015
Europe
    
Forward contracts designated as hedging instruments    
U.S. dollar forward contracts purchased, total notional amount $ 29.7ges_NotionalAmountOfForeignExchangeForwardContractsPurchased
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		  
U.S. dollar forward contracts outstanding 66.0invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 50.8invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months) 13 months  
Canada
    
Forward contracts designated as hedging instruments    
U.S. dollar forward contracts purchased, total notional amount 40.5ges_NotionalAmountOfForeignExchangeForwardContractsPurchased
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= country_CA		  
U.S. dollar forward contracts outstanding $ 55.5invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= country_CA		 $ 24.5invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
/ us-gaap_StatementGeographicalAxis
= country_CA
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months) 13 months