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PROPERTY AND EQUIPMENT (Tables)
 12 Months Ended
Jan. 31, 2014
Property Plant And Equipment [Abstract]  
Schedule of property and equipment at cost

 

          January 31,  
          2014     2013  
          (In thousands)  
Machinery and equipment     4 – 5 years     $ 2,077     $ 2,086  
Leasehold improvements     1 – 19 years       60,817       44,656  
Furniture and fixtures     3 – 10 years       30,883       17,047  
Computer equipment and software     2 – 5 years       7,429       5,023  
              101,206       68,812  
Less: accumulated depreciation             38,374       27,996  
            $ 62,832     $ 40,816