Pensions and Other Postretirement Benefits

9 Months Ended

Oct. 01, 2016

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits

Pension and Other Postretirement Benefits

Employees of VPG participate in various defined benefit pension and other postretirement benefit ("OPEB") plans.

The following table sets forth the components of the net periodic benefit cost for the Company's defined benefit pension and other postretirement benefit plans (in thousands):

	Fiscal quarter ended   October 1, 2016					Fiscal quarter ended   September 26, 2015
	Pension Plans			OPEB Plans		Pension Plans			OPEB Plans
Net service cost	$	101		$	25	$	104		$	19
Interest cost	192			33		217			30
Expected return on plan assets	(153		)	—		(167		)	—
Amortization of actuarial losses	48			19		59			19
Net periodic benefit cost	$	188		$	77	$	213		$	68

	Nine fiscal months ended October 1, 2016					Nine fiscal months ended September 26, 2015
	Pension Plans			OPEB Plans		Pension Plans			OPEB Plans
Net service cost	$	307		$	75	$	310		$	57
Interest cost	602			97		644			90
Expected return on plan assets	(486		)	—		(493		)	—
Amortization of actuarial losses	151			57		175			57
Net periodic benefit cost	$	574		$	229	$	636		$	204