Retirement plans Cash flows (Tables)

12 Months Ended

Jan. 31, 2014

Defined Benefit Plan Disclosure [Line Items]

Schedule of Expected Benefit Payments [Table Text Block]

Cash flows
Expected employer contributions for the fiscal year ending January 31, 2015	$0
Expected employee contributions for the fiscal year ending January 31, 2015	—
Estimated future benefit payments reflecting expected future service for the fiscal year(s) ending January 31,:
2015	335
2016	348
2017	345
2018	366
2019	364
2020 - 2024	$1,907