Retirement plans Amounts recognized in other comprehensive income (Tables)

12 Months Ended

Jan. 31, 2016

Defined Benefit Plan Disclosure [Line Items]

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Amounts recognized in other comprehensive income
Actuarial gain (loss) on obligation	$1,115		$(1,249)
Actual (loss) gain on plan assets	(294	)	(362	)
Total in other comprehensive income (loss)	$821		$(1,611)
Other comprehensive income is also affected by the tax effect of the valuation allowance recorded on the domestic deferred tax assets.