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SEGMENTS (Detail Textuals)
$ in Millions
12 Months Ended
Jan. 31, 2017
USD ($)
Segment
Jan. 31, 2016
USD ($)
Jan. 31, 2015
USD ($)
Segment Reporting [Abstract]      
Number of operating segments | Segment 2    
Capital expenditures for outside of United States | $ $ 4.6 $ 4.5 $ 6.4