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Debt 5 year repayment (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015 | Jan. 31, 2014 | Jan. 31, 2013 | Jan. 31, 2012
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total due next fiscal year |  |  |  |  | $ 5,419 |  |
Capital Leases, Future Minimum Payments Due Thereafter |  |  |  |  |  | 0 |
Repayments of Long-term Capital Lease Obligations |  |  |  |  |  | 138 |
Total debt |  |  |  |  |  | 42,022 | 37,418
Repayments of Debt | 328 | 1,706 | 1,715 | 2,302 | 2,729 |  |
Capital Lease Obligations |  |  |  |  |  | 2,584 | 1,831
Capital Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  |  |  | 607 |
Capital Leases Future Minimum Payments Due In Two Years without interest |  |  |  |  |  | 593 |
Capital Leases, Future Minimum Payments Due in Three Years |  |  |  |  |  | 616 |
Capital Leases, Future Minimum Payments Due in Four Years |  |  |  |  |  | 630 |
Repayments of First Mortgage Bond | 3,598 | 408 | 389 | 370 | 357 |  |
Foreign line of credit |  |  |  |  |  | 2,529 | 1,526
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months |  |  |  |  |  | 1,726 |
Repayments of Lines of Credit | 0 | 0 | 0 | 0 |  |  |
Loans Payable |  |  |  |  |  | 10,608 | 4,797
Mortgage notes |  |  |  |  |  | 12,312 | 11,012
Repayments of Debt and Capital Lease Obligations | 4,064 | 16,733 | 2,720 | 3,265 |  |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  |  |  |  | 9,821 |
UNITED STATES |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving line |  |  |  |  |  | 13,989 | 18,252
Repayments of Lines of Credit | 0 |  | 0 | 0 | 0 |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  |  |  |  | 0 |
Mortgages [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  |  |  |  | 7,190 |
Foreign Line of Credit [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  |  |  |  | 803 |
Other Debt Obligations [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  |  |  |  |  | $ 1,828 |

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number APB14-1 -Paragraph 31 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The cash outflow from the repayment of a long-term debt instrument issued, secured by a first mortgage deed of trust, containing a pledge of real property. The lender has the highest claim on the property in case of default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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