Postretirement Health Care and Life Insurance Benefits (Tables)

3 Months Ended

Jun. 30, 2018

Defined Contribution Plan [Abstract]

Schedule of defined benefit pension plan

The following tables set forth the net periodic benefit cost of the Company’s noncontributory defined benefit pension plan and contributory defined benefit health care plans.

Pension Plan:

	Three Months Ended
	June 30, 2018	July 1, 2017
Components of net periodic benefit cost:
Service cost	$   64	$   58
Interest cost	221	226
Expected return on plan assets	(417)	(403)
Amortization of prior service cost	9	9
Amortization of losses	249	302
Net periodic benefit cost	$126	$192

Schedule of postretirement benefit costs

Postretirement Health Care and Life Insurance Benefits:

	Three Months Ended
	June 30, 2018	July 1, 2017
Components of net periodic benefit cost:
Service cost	$12	$  8
Interest cost	23	25
Amortization of prior service cost	1	1
Amortization of losses	(7)	(1)
Net periodic benefit cost	$29	$33