Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018	Jun. 24, 2017
Accumulated Postretirement Benefit Obligation [APBO]:
Funded status at end of year		$ (19,678)	$ (19,390)
Actuarial gain (loss)		118	1,279
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)		0	0
Amounts Recognized in Accumulated Other Comprehensive Income:
Net actuarial loss		1,172	1,054
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax		606	962
Amounts recognized in Accumulated Other Comprehensive Income		$ 1,778	2,016
Net Periodic Postretirement Benefit Cost/(Income):
Employer contributions, current period			$ 571
Economic Assumptions:
Benefit obligation, discount rate		3.60%	3.90%
Medical trend
Description of direction and pattern of change for assumed medical trend rate		7.25% - 5.0%	7.5%-5.0%
Estimated future benefit payments
Obligations included in Other Liabilities		$ 12,600	$ 11,200
Active Participants [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries		(1,437)	(1,367)
Retirees and Beneficiaries [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries		$ (18,241)	(18,023)
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Employer matching percentage of employee contributions up to 3% of employee eligible compensation		100.00%
Maximum percentage of employee eligible compensation with 100% matching contributions by employer		3.00%
Employer matching percentage of additional employee contributions up to 5% of employee eligible compensation		50.00%
Maximum percentage of employee eligible compensation with 50% matching contributions by employer		2.00%
Defined contribution expense		$ 11,600	12,600	$ 12,400
Foreign Plan [Member]
Estimated future benefit payments
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax		3,000	1,000	$ 600
Non-Pension Benefits [Member]
Estimated future benefit payments
2017		747
2018		819
2019		877
2020		893
2021		948
Thereafter		15,394
Total		19,678
Defined Benefit Postretirement Life Insurance [Member]
Estimated future benefit payments
Assets for plan benefits included in Other Assets		6,900	5,500
Obligations included in Other Liabilities		$ 8,200	6,300
Scenario, Forecast [Member]
Net Periodic Postretirement Benefit Cost/(Income):
Interest cost	$ 695
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	356
Total net periodic postretirement benefit cost	1,051
Employer contributions, current period	$ 747
Scenario, Plan [Member]
Net Periodic Postretirement Benefit Cost/(Income):
Interest cost			741
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)			356
Total net periodic postretirement benefit cost			$ 1,097