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Retirement plans Components of net periodic benefit cost (Tables) | 12 Months Ended
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Jan. 31, 2014
Components of net periodic benefit cost [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] |
Components of net periodic benefit cost | 2013 | 2012
Service cost | $78 | $171
Interest cost | 293 | 299
Expected return on plan assets | (483) | (444)
Amortization of prior service cost | 21 | 50
Recognized actuarial loss | 105 | 173
Curtailment cost | 252 | 0
Net periodic benefit cost | $266 | $249

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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