Share-Based Compensation Other Stock Options Details (Details)
9 Months Ended
Oct. 27, 2012
Chief Executive Officer [Member] | Stock Options [Member]
 
Vesting Details [Line Items]  
Award Vesting Period 3 years
Management [Member]
 
Vesting Details [Line Items]  
Annual Award Vesting Percentage 25.00%
Option Expiration Date 10
Management [Member] | Stock Options [Member]
 
Vesting Details [Line Items]  
Award Vesting Period 4 years