Debt 5 year repayment (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 31, 2015
Debt Instrument [Line Items]
Revolving line domestic	$ 5,237	$ 11,353
Mortgages	1,443	1,530
Revolving line foreign	8,131	2,774
Term Loans	246	1,808
Capitalized Lease Obligations	442	1,060
Total debt	15,499	18,525
Capital Leases, Future Minimum Payments Due, Next Twelve Months	376
Capital Leases Future Minimum Payments Due In Two Years without interest	66
Capital Leases, Future Minimum Payments Due in Three Years	0
Capital Leases, Future Minimum Payments Due in Four Years	0
Repayments of Long-term Capital Lease Obligations	0
Capital Leases, Future Minimum Payments Due Thereafter	0
Current maturities of long-term debt	14,006	16,170
Total debt principal in Year Two	249
Total debt principal in Year Three	107
Total debt principal in Year Four	112
Total debt principal after Year Five	117
Total debt principal Thereafter	908
United States
Debt Instrument [Line Items]
Revolving line domestic	5,237	$ 11,353
Revolving line	0
Mortgages [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	97
Long-term Debt, Maturities, Repayments of Principal in Year Two	102
Long-term Debt, Maturities, Repayments of Principal in Year Three	107
Long-term Debt, Maturities, Repayments of Principal in Year Four	112
Long-term Debt, Maturities, Repayments of Principal in Year Five	117
Total debt principal Thereafter	908
Other Debt Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	165
Long-term Debt, Maturities, Repayments of Principal in Year Two	81
Long-term Debt, Maturities, Repayments of Principal in Year Three	0
Long-term Debt, Maturities, Repayments of Principal in Year Four	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Total debt principal Thereafter	0
Foreign Line of Credit [Member]
Debt Instrument [Line Items]
Revolving line foreign	8,131
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	8,131
Long-term Debt, Maturities, Repayments of Principal in Year Two	0
Long-term Debt, Maturities, Repayments of Principal in Year Three	0
Long-term Debt, Maturities, Repayments of Principal in Year Four	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Total debt principal Thereafter	$ 0