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Share-Based Compensation (Restricted Stock Units Assumptions) (Details) - Market-based restricted stock units [Member]
6 Months Ended
Jul. 30, 2016
$ / shares
Aug. 01, 2015
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant date market price (in dollars per share) $ 29.56 $ 22.46
Fair value (in dollars per share) $ 34.12 $ 19.04
Price volatility 44.00% 45.00%
Expected term (years) 2 years 9 months 18 days 2 years 9 months 18 days
Risk-free interest rate 1.10% 0.90%
Dividend yield 2.80% 3.50%
Average volatility of peer companies 34.50% 34.00%
Average correlation coefficient of peer companies 0.3389 0.3288