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Share-Based Compensation (Restricted Stock Units Assumptions) (Details) - $ / shares
6 Months Ended
Aug. 01, 2020
Aug. 03, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Document Period End Date Aug. 01, 2020  
Fair value (in dollars per share) $ 0  
Market-based restricted stock units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant date market price (in dollars per share)   $ 25.34
Fair value (in dollars per share) $ 0 $ 36.24
Price volatility   57.00%
Expected term (years)   2 years 10 months 24 days
Risk-free interest rate   2.20%
Dividend yield   3.20%
Average volatility of peer companies   40.00%
Average correlation coefficient of peer companies   0.2407