Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Fair Value of Stock-Options Granted And Weighted Average Assumptions to Calculate Fair Value) (Details)

v2.4.0.6
Stock Based Compensation (Fair Value of Stock-Options Granted And Weighted Average Assumptions to Calculate Fair Value) (Details) (USD $)
12 Months Ended
Jan. 28, 2012
Y
Jan. 29, 2011
Y
Jan. 30, 2010
Y
Share-based Compensation [Abstract]      
Weighted average grant date fair value of stock options granted during the period $ 7.12 $ 7.34 $ 2.51
Dividend yield 2.30% 1.00% 2.30%
Expected volatility 38.80% 37.60% 36.40%
Risk-free interest rate 2.00% 2.70% 1.90%
Expected life 5.6 5.5 5.4