Pension and Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
COMPONENTS OF NET PERIODIC BENEFIT COST:
Plan Settlements	$ 32,434		$ 32,434
Pension Benefits
COMPONENTS OF NET PERIODIC BENEFIT COST:
Service cost	15	$ 16	30	$ 33
Interest cost	1,032	964	2,064	1,928
Expected return on plan assets	(1,138)	(1,527)	(2,276)	(3,055)
Plan Settlements	(32,434)		(32,434)
Amortization of prior service cost (credit)		3		6
Amortization of unrecognized net loss	416	508	832	1,017
Net periodic benefit (credit) cost	(32,109)	(36)	(31,784)	(71)
Postretirement Benefits
COMPONENTS OF NET PERIODIC BENEFIT COST:
Service cost	3	4	6	7
Interest cost	11	11	22	22
Amortization of prior service cost (credit)	(110)	(191)	(220)	(382)
Amortization of unrecognized net loss	107	120	214	240
Net periodic benefit (credit) cost	$ 11	$ (56)	$ 22	$ (113)