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Debt (Long-term Debt) (Details) - USD ($)
$ in Thousands
Jan. 31, 2020
Jan. 31, 2019
Debt Instrument [Line Items]    
Long-term debt $ 16,696 $ 21,414
Less current portion 878 5,504
Non-current portion 15,818 15,910
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt 9,969 14,858
Other Debt [Member]    
Debt Instrument [Line Items]    
Long-term debt $ 6,727 $ 6,556