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INVENTORIES (Tables)
12 Months Ended
Jan. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories
     
January 31,
 
     
2017
   
2016
 
     
(In thousands)
 
Finished goods
      $ 483,085         $ 484,805    
Raw materials and work-in-process
        184           506    
        $ 483,269         $ 485,311