Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION PLAN (Fair Value of Employee's Purchase Rights) (Details)

v3.3.1.900
STOCK-BASED COMPENSATION PLAN (Fair Value of Employee's Purchase Rights) (Details)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Jan. 28, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Expected Term 3 months 3 months 3 months
Expected volatility 13.20% 8.80% 11.60%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00% 0.00% 0.00%
Risk free interest rate 0.20% 0.00% 0.00%