XML 34 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Details 3) (Customer)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Trade Receivable | Target
     
Concentrations of Credit Risk      
Concentration risk (as a percent) 55.00% 67.00%  
Trade Receivable | Tesco
     
Concentrations of Credit Risk      
Concentration risk (as a percent) 3.00% 4.00%  
International Revenue
     
Concentrations of Credit Risk      
Concentration risk (as a percent) 36.00% 38.00% 47.00%
Royalty Revenue | Target
     
Concentrations of Credit Risk      
Concentration risk (as a percent) 57.00% 54.00% 42.00%
Royalty Revenue | Tesco
     
Concentrations of Credit Risk      
Concentration risk (as a percent) 3.00% 11.00% 27.00%