Retirement Plans and Postretirement Costs (Details Textual)	12 Months Ended
	Jun. 30, 2024 USD ($) Age	Jul. 02, 2023 USD ($)	Jul. 03, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Postretirement plan annual benefit limit for future eligible retirees	$ 4,000
Other postretirement benefits maximum benefit period	5 years
Postretirement death benefit	$ 8,000
Postretirement benefit increase in disability retirees	$ 70,000
Disability retirees age | Age	65
Decrease in death benefit for disability retirees	$ 8,000
401(K) Plan
Defined Benefit Plan Disclosure [Line Items]
Percent of each dollar of eligible employee contributions matched by employer	100.00%
Employer matching contribution to employee up to participant's eligible contribution	5.00%
Other Noncurrent Assets
Defined Benefit Plan Disclosure [Line Items]
Rabbi Trust Assets - SERP	$ 1,600,000	$ 2,600,000
Maximum
Defined Benefit Plan Disclosure [Line Items]
Postretirement plan annual benefit limit for future eligible retirees	$ 4,000
Supplemental Employee Retirement Plan, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Percentage of participant's base salary received as Supplemental Retirement Benefits	8.00%
Vesting period, SERP	5 years
Cash settled using Rabbi trust assets		863,000
Settlement charge pre tax		217,000
Settlement payment	$ 1,200,000	863,000
Projected benefit obligation	2,583,000	2,305,000	$ 3,164,000
Accumulated benefit obligation	2,400,000	2,200,000
Expected employer contributions in next fiscal year	1,200,000
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	1,158,000	$ 1,296,000	$ 1,477,000
Expected employer contributions in next fiscal year	$ 108,000