Employee Postretirement Benefits Employee Postretirement Benefits (Tables)

3 Months Ended

Apr. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost for postretirement plan

The components of the net periodic benefit cost for postretirement benefits are as follows:

	Three Months Ended
	April 30, 2017			April 30, 2016
Service cost	$	22		$	20
Interest cost	82			83
Amortization of actuarial losses	30			37
Amortization of unrecognized prior service cost (gains)	(40		)	(40		)
Net periodic benefit cost	$	94		$	100

Postretirement benefit cost components are reclassified in their entirety from accumulated other comprehensive loss to net periodic benefit cost.  Net periodic benefit costs are reported in net income as “Cost of sales” or “Selling, general, and administrative expenses” in a manner consistent with the classification of direct labor and personnel costs of the eligible employees.