Share-Based Compensation Other Stock Options Details (Details)
6 Months Ended
Jul. 28, 2012
Chief Executive Officer [Member] | Stock Options [Member]
 
Vesting Details [Line Items]  
Award Vesting Period 3 years
Management [Member]
 
Vesting Details [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage 25.00%
Option Expiration Date 10
Management [Member] | Stock Options [Member]
 
Vesting Details [Line Items]  
Award Vesting Period 4 years