Net Periodic Benefit Expense - Defined Benefit Pension Plans (Tables)

6 Months Ended

Jul. 01, 2017

Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]

Schedule of defined benefit pension plans, components of pension expense [Table Text Block]

The results of operations included the following net periodic benefit expense (income) recognized related to our defined-benefit pension plans.

	Three Months Ended						Six Months Ended
	July 1, 2017			July 2, 2016			July 1, 2017			July 2, 2016
Components of pension expense (income)
Service costs--increase in benefit obligation earned	$	132		$	90		$	265		$	190
Interest cost on projected benefit obligation	264			310			527			627
Expected return on plan assets	(170		)	(276		)	(339		)	(553		)
Settlement loss	—			—			—			453
Amortization of net actuarial loss	238			237			475			480
Amortization of prior service cost	15			—			31			—
Net pension expense of defined benefit pension plans	$	479		$	361		$	959		$	1,197