Retirement plans Components of net periodic benefit cost (Tables)

12 Months Ended

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