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Stock Option and Purchase Plans - Summary of Restricted Stock Activity Under Our Stock Incentive Plan (Details) - Restricted stock - $ / shares
 12 Months Ended
Jul. 02, 2023
Jul. 03, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Nonvested, Shares Beginning Balance 85,100 81,975
Granted, Shares 49,050 43,875
Vested, Shares (44,750) (38,000)
Forfeited, Shares (1,500) (2,750)
Nonvested, Shares Ending Balance 87,900 85,100
Nonvested, Weighted Average Grant Date Fair Value Beginning Balance $ 31.89 $ 23.31
Granted, Weighted Average Grant Date Fair Value 29.91 42.50
Vested, Weighted Average Grant Date Fair Value 29.00 25.56
Forfeited, Weighted Average Grant Date Fair Value 32.03 32.70
Nonvested, Weighted Average Grant Date Fair Value Ending Balance $ 32.09 $ 31.89