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Significant accounting policies Accumulated other comprehensive loss (Tables) | 12 Months Ended
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Jan. 31, 2014
Accumulated other comprehensive loss [Abstract] |
Accumulated other comprehensive loss [Table Text Block] |
| 2013 |  | 2012 |
Equity adjustment foreign currency |  | ($90 | ) |  | $1,179 |
Minimum pension liability, gross | (1,513) | (2,479)
Interest rate swap, gross | (68) | (219)
Subtotal excluding tax effect | (1,671) | (1,519)
Tax effect of foreign exchange | 12 | 12
Tax effect of minimum pension liability | 482 | 765
Tax effect of interest rate swap | 17 | 17
Total other comprehensive loss | ($1,160) | ($725)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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