Employee Benefit Costs (Schedule of Accumulated Other Comprehensive Income That Are Expected To Be Recognized As Components Of Net Periodic (Income) Expense During The Next Fiscal Year) (Details) $ in Thousands	Jul. 01, 2018 USD ($)
Pension Benefits [Member]
Prior Service Cost (Credit)	$ 179
Net Actuarial Loss	11,705
Other Postretirement Benefits [Member]
Prior Service Cost (Credit)	(729)
Net Actuarial Loss	$ 3,222