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Effective Tax Rate (Details) - USD ($)
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract        
Effective Income Tax Rate     12.30% 10.80%
Income Tax Benefit, foreign domestic tax initiatives $ 1,000,000 $ (1,200,000)