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Summary of Significant Accounting Policies (Black-Scholes Option-Pricing Model) (Details)
12 Months Ended
Feb. 01, 2015
Feb. 02, 2014
Feb. 03, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Risk-free interest rate 1.70% 0.80% 1.20%
Assumed volatility 22.70% 26.30% 27.00%
Assumed dividend yield 2.30% 2.20% 2.30%
Assumed lives of options 5 years 5 years 5 years