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Retirement plans Multi-employer (Tables) | 12 Months Ended
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Jan. 31, 2014
Multiemployer Plans [Line Items] |
Schedule of Multiemployer Plans [Table Text Block] |
|  |  | Funded Zone Status | FIP/RP Status Pending/Implemented | Contribution |  |
Plan Name | EIN | Plan # | 2013 | 2012 | Surcharge Imposed | Collective Bargaining Expiration Date
Northern Illinois Pension Plan | 362663798 | 001 | Green | No |  | $— |  |  | $7 |  | No | 6/1/2014
Pipe Fitters Retirement Fund, Local 597 | 626105084 | 001 | Green | No | 275 |  | 102 |  | No | 6/1/2014
Plumbers & Pipefitters Local 572 Pension Fund | 626102837 | 001 | Green | No | 192 |  | 250 |  | No | 3/31/2016
Plans for which financial information is not publicly available outside MFRI's financial statements |  |
Denmark | N/A | N/A | N/A | N/A |  | $350 |  |  | $353 |  | N/A |

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- Definition Tabular disclosure of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -URI http://asc.fasb.org/subtopic&trid=2235144 + Details
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