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Organization and Basis of Presentation (Fiscal Year) (Details)
3 Months Ended
Apr. 29, 2018
weeks
week
Apr. 30, 2017
weeks
52 Week Fiscal Year [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of weeks in the fiscal year reporting period 52  
Number of weeks in a quarter for 52 week fiscal period 13 13
53 Week Fiscal Year [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of weeks in the fiscal year reporting period 53  
Number of weeks in the 4th quarter for 53 week fiscal period | week 14