v2.4.0.6
Basis of Presentation (Details)
3 Months Ended
Apr. 28, 2012
weeks
Apr. 30, 2011
weeks
Basis of Presentation Disclosure [Abstract]    
Number of Weeks in Current Quarter (in weeks) 13 13
Equity Method Voting Interest, Low Ownership Range 20.00%  
Equity Method Voting Interest, High Ownership Range 50.00%