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GOODWILL (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Gross Carrying Amount [Abstract]      
Gross Carrying Amount $ 22,020 $ 22,065  
Impact of foreign currency translation on goodwill, gross 313 (45)  
Gross Carrying Amount 27,020 22,020 22,065
Accumulated Impairment [Abstract]      
Accumulated Impairment (15,608) (15,608)  
Accumulated Impairment (15,608) (15,608) (15,608)
Goodwill, Net [Abstract]      
Goodwill, Net 6,412 6,457  
Impact of foreign currency translation 313   (45)
Goodwill, Net 11,412 6,412 6,457
Amortizable intangible assets, gross 3,581 0  
Less: accumulated amortization (279) 0  
Net amortizable intangible assets 3,302 0  
Amortization of intangible assets 264 14 55
Estimated Amortization Expense [Abstract]      
2014 716    
2015 716    
2016 716    
2017 716    
2018 438    
Net amortizable intangible assets 3,302    
Customer Relationships [Member]
     
Goodwill, Net [Abstract]      
Amortizable intangible assets, gross 3,049 [1] 0 [1]  
DynaSys [Member]
     
Gross Carrying Amount [Abstract]      
Additions, gross 2,231    
Goodwill, Net [Abstract]      
Additions, net 2,231    
CEBOS [Member]
     
Gross Carrying Amount [Abstract]      
Additions, gross 2,456    
Goodwill, Net [Abstract]      
Additions, net 2,456    
Trade Names [Member]
     
Goodwill, Net [Abstract]      
Amortizable intangible assets, gross $ 532 [1] $ 0 [1]  
[1] Customer relationships and trade name include the impact of foreign currency translation.