Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Accumulated Postretirement Benefit Obligation [APBO]:
Funded status at end of year	$ (20,528)	$ (20,528)	$ (19,678)
Actuarial gain (loss)		705	118
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	0	0	0
Amounts Recognized in Accumulated Other Comprehensive Income:
Net actuarial loss	1,877	1,877	1,172
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax	249	249	606
Amounts recognized in Accumulated Other Comprehensive Income	2,126	$ 2,126	$ 1,778
Net Periodic Postretirement Benefit Cost/(Income):
Employer contributions, current period	$ 740
Economic Assumptions:
Benefit obligation, discount rate	2.60%	2.60%	3.60%
Medical trend
Description of direction and pattern of change for assumed medical trend rate		7.00%-5.00%	7.25%-5.00%
Estimated future benefit payments
Obligations included in Other Liabilities	$ 18,000	$ 18,000	$ 12,600
Active Participants [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries	(1,413)	(1,413)	(1,437)
Retirees and Beneficiaries [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries	(19,115)	$ (19,115)	(18,241)
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		$ 11,200	11,600	$ 12,600
Foreign Plan [Member]
Estimated future benefit payments
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax		6,300	3,000	$ 1,000
Non-Pension Benefits [Member]
Estimated future benefit payments
2017	739	739
2018	789	789
2019	817	817
2020	867	867
2021	916	916
Thereafter	16,400	16,400
Total	20,528	20,528
Defined Benefit Postretirement Life Insurance [Member]
Estimated future benefit payments
Assets for plan benefits included in Other Assets	8,500	8,500	6,900
Obligations included in Other Liabilities	9,700	$ 9,700	8,200
Scenario, Plan [Member]
Net Periodic Postretirement Benefit Cost/(Income):
Interest cost	524		695
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	249		356
Total net periodic postretirement benefit cost	$ 773		$ 1,051