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Derivative Financial Instruments - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 28, 2018
Oct. 29, 2017
Oct. 28, 2018
Oct. 29, 2017
Derivative [Line Items]        
Gain (loss) associated with ineffectiveness $ 0 $ 0 $ 0 $ 0
Foreign currency forward contracts        
Derivative [Line Items]        
Derivative, maturity period     18 months