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INVENTORIES (Tables)
12 Months Ended
Jan. 31, 2015
Inventory Disclosure [Abstract]  
Schedule of inventories
    January 31,  
    2015     2014  
    (In thousands)  
Finished goods   $ 417,332     $ 350,627  
Raw materials and work-in-process     8,848       9,012  
    $ 426,180     $ 359,639