Pension Plan and Postretirement Health Care and Life Insurance Benefits (Tables)

6 Months Ended

Sep. 29, 2018

Retirement Benefits [Abstract]

Schedule of defined benefit pension plan

Pension Plan:

	Three Months Ended						Six Months Ended
	September 29,  2018			September 30,   2017			September 29,   2018			September 30,   2017
Components of net periodic benefit cost:
Service cost	$	64		$	58		$	128		$	116
Interest cost		221			226			442			452
Expected return on plan assets		(417	)		(403	)		(834	)		(806	)
Amortization of prior service cost		9			9			18			18
Amortization of losses		249			302			498			604
Net periodic benefit cost	$	126		$	192		$	252		$	384

Schedule of postretirement benefit costs

Postretirement Health Care and Life Insurance Benefits:

	Three Months Ended						Six Months Ended
	September 29,   2018			September 30,  2017			September 29,  2018			September 30,   2017
Components of net periodic benefit cost:
Service cost	$	12		$	8		$	24		$	16
Interest cost		23			25			46			50
Amortization of prior service cost		1			1			2			2
Amortization of losses		(7	)		(1	)		(14	)		(2	)
Net periodic benefit cost	$	29		$	33		$	58		$	66