Retirement plans Assumptions (Tables)

12 Months Ended

Jan. 31, 2014

Assumptions [Abstract]

Schedule of Assumptions Used [Table Text Block]

Weighted-average assumptions used to determine net cost and benefit obligations	2013		2012
End of year benefit obligation	4.50	%	4.00	%
Service cost discount rate *	4.50	%	4.25	%
Expected return on plan assets	8.00	%	8.00	%
Rate of compensation increase	N/A		N/A

*4.00% prior to the re-measurement on June 30, 2013 due to the plan freeze and 4.50% after the re-measurement.