Retirement plans Multi-employer (Tables)

12 Months Ended

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