Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Benefits (Details) - USD ($) $ in Thousands	Jun. 26, 2021	Jun. 26, 2021	Jun. 27, 2020	Jun. 29, 2019
Accumulated Postretirement Benefit Obligation [APBO]:
Funded status at end of year	$ (19,483)	$ (19,483)	$ (20,528)
Actuarial gain (loss)		1,152	705
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	0	0	0
Amounts Recognized in Accumulated Other Comprehensive Income:
Net actuarial loss	725	725	1,877
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax	0	0	249
Amounts recognized in Accumulated Other Comprehensive Income	$ 725	725	2,126
Net Periodic Postretirement Benefit Cost/(Income):
Employer contributions, current period		$ 420	$ 740
Economic Assumptions:
Benefit obligation, discount rate	2.90%	2.90%	2.60%
Medical trend
Description of direction and pattern of change for assumed medical trend rate		6.75%-5.00%	7.00%-5.00%
Estimated future benefit payments
Obligations included in Other Liabilities	$ 19,100	$ 19,100	$ 18,000
Active Participants [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries	0	0	(1,413)
Retirees and Beneficiaries [Member]
Accumulated Postretirement Benefit Obligation [APBO]:
Retirees and beneficiaries	(19,483)	$ (19,483)	(19,115)
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		$ 11,700	11,200	$ 11,600
Foreign Plan [Member]
Estimated future benefit payments
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax		4,600	6,300	$ 3,000
Non-Pension Benefits [Member]
Estimated future benefit payments
2017	851	851
2018	819	819
2019	870	870
2020	919	919
2021	903	903
Thereafter	15,121	15,121
Total	19,483	19,483
Defined Benefit Postretirement Life Insurance [Member]
Estimated future benefit payments
Assets for plan benefits included in Other Assets	8,400	8,400	8,500
Obligations included in Other Liabilities	9,400	$ 9,400	9,700
Scenario, Plan [Member]
Net Periodic Postretirement Benefit Cost/(Income):
Interest cost	527		524
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0		249
Total net periodic postretirement benefit cost	$ 527		$ 773

MAXIM INTEGRATED PRODUCTS INC 10-K