XML 26 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 6) (Merchandise purchases, Supplier concentration risk)
12 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Concentrations of Business and Credit Risk    
Percentage of merchandise requirements that were assembled by internal manufacturing organization 13.00% 16.00%
Top five vendors
   
Concentrations of Business and Credit Risk    
Concentration risk (as a percent) 22.00% 22.00%
Number of significant vendors disclosed as concentration risk 5 5
Maximum percentage of purchases from any single vendor 10.00% 10.00%