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Retirement Plan - Assumptions to Calculate Benefit Obligation and Net Periodic Costs of SERP (Detail) - SERP [Member]
 12 Months Ended
Jun. 30, 2022
Jun. 24, 2021
Jun. 25, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Discount rate 4.68% 2.89%  
Average rate of compensation increases 4.50% 3.38%  
Bonus payment 45% - 110% of base, paid 4 of 5 years 45% - 110% of base, paid 4 of 5 years  
Discount rate 2.89% 2.69% 3.56%
Rate of compensation increases 3.38% 3.38% 4.13%
Mortality Pri-2012 white collar with MP- 2020 scale Pri-2012 white collar with MP- 2019 scale RP-2014 white collar with MP- 2018 scale
Bonus payment 45% - 110% of base, paid 4 of 5 years 60% - 95% of base, paid 4 of 5 years 60% - 85% of base, paid 4 of 5 years