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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)
12 Months Ended
Feb. 02, 2013
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SIGNIFICANT SUPPLIERS  
Commitment to purchase number of units of oil products at various prices 4,200,000
Period for commitment to purchase oil products 2 years
Merchandise purchased | Supplier concentration risk
 
SIGNIFICANT SUPPLIERS  
Number of largest suppliers 1
Merchandise purchased | Supplier concentration risk | Maximum
 
SIGNIFICANT SUPPLIERS  
Concentration risk percentage 10.00%
Merchandise purchased | Supplier concentration risk | Ten largest suppliers
 
SIGNIFICANT SUPPLIERS  
Number of largest suppliers 10
Concentration risk percentage 51.00%