Pension and Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Oct. 01, 2017
Pension Benefits
COMPONENTS OF NET PERIODIC BENEFIT COST:
Service cost	$ 15	$ 17
Interest cost	1,032	964
Expected return on plan assets	(1,138)	(1,528)
Amortization of prior service cost (credit)		3
Amortization of unrecognized net loss	416	509
Net periodic benefit (credit) cost	325	(35)
Postretirement Benefits
COMPONENTS OF NET PERIODIC BENEFIT COST:
Service cost	3	3
Interest cost	11	11
Amortization of prior service cost (credit)	(110)	(191)
Amortization of unrecognized net loss	107	120
Net periodic benefit (credit) cost	$ 11	$ (57)