Stock Option and Purchase Plans - Summary of Restricted Stock Activity Under Our Stock Incentive Plan (Details) - Restricted stock - $ / shares	12 Months Ended
	Jun. 30, 2024	Jul. 02, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Nonvested, Shares Beginning Balance	87,900	85,100
Granted, Shares	51,675	49,050
Vested, Shares	(56,750)	(44,750)
Forfeited, Shares	(3,500)	(1,500)
Nonvested, Shares Ending Balance	79,325	87,900
Nonvested, Weighted Average Grant Date Fair Value Beginning Balance	$ 32.09	$ 31.89
Granted, Weighted Average Grant Date Fair Value	22.16	29.91
Vested, Weighted Average Grant Date Fair Value	30.12	29.00
Forfeited, Weighted Average Grant Date Fair Value	29.79	32.03
Nonvested, Weighted Average Grant Date Fair Value Ending Balance	$ 27.21	$ 32.09