Pension and Postretirement Benefits Pension and Postretirement Benefits (Narrative) (Details) $ in Thousands	9 Months Ended
	Mar. 29, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	$ 0
Cash Contributions to Qualified Pension Plans	(1,000)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	6,300
Payment for Other Postretirement Benefits	5,500
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	3,500
Defined Benefit Plan, Benefits Paid	$ 2,900