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Retirement Plans and Postretirement Costs (Details Textual) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 | Jul. 01, 2018 | Jul. 02, 2017 | Jul. 03, 2016
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Proposed date the Board of Directors approved to terminate the qualified retirement plan |  | Dec. 31, 2018 |  |
Termination of Qualified Pension Plan, description |  | The Board of Directors has subsequently approved to proceed with the termination of the Qualified Pension Plan. We submitted a request to and received a response from the IRS for a determination letter that the Qualified Pension Plan is qualified for termination. We intend to distribute substantially all of the Qualified Pension Plan assets prior to the end of December 2018. Additionally, in connection with preparing for the termination of the Qualified Pension Plan, we have amended the plan to provide that participants are 100 percent vested in their accrued benefits as of the effective date of the plan termination, to adopt a new standard for disability benefits that will apply when the plan’s assets are distributed due to the termination, to add a lump sum distribution for employees and terminated vested participants who are not in payment status when Qualified Pension Plan assets are distributed due to the termination and to make certain other conforming amendments to the Qualified Pension Plan to comply with applicable laws that may be required by the IRS or may be deemed necessary or advisable to improve the administration of the Qualified Pension Plan or facilitate its termination and liquidation. |  |
Qualified Retirement Plan participants' vesting percentage as of the final termination date of the plan |  | 100.00% |  |
Rabbi Trust Assets - SERP |  | $ 2,800,000 | $ 2,600,000 |
Postretirement plan annual benefit limit for future eligible retirees |  | $ 4,000 |  |
Other postretirement benefits maximum benefit period |  | 5 years |  |
Health care cost trend rate for next fiscal year |  | 7.40% |  |
Ultimate health care cost trend rate |  | 4.50% |  |
Net Periodic Benefit Cost, Expected return on plan assets |  | 5.45% |  |
Percentage target asset allocation |  | 100.00% |  |
Actual Historical Annualized Returns Using Target Allocation - 5 Years |  | 2.97% |  |
Actual Historical Annualized Returns Using Target Allocation - 10 Years |  | 3.98% |  |
Actual Historical Annualized Returns Using Target Allocation - 15 Years |  | 4.28% |  |
Actual Historical Annualized Returns Using Target Allocation - 20 Years |  | 4.80% |  |
Actual Historical Annualized Returns Using Target Allocation - 25 Years |  | 5.21% |  |
Actual Historical Annualized Returns Using Target Allocation - 30 Years |  | 5.97% |  |
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% |  |
Scenario Forecast |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Net Periodic Benefit Cost, Expected return on plan assets | 4.05% |  |  |
Stock Index Funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Return applied to target allocation in determining expected long term rate of return |  | 10.00% |  |
Stock Index Funds | Minimum |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage target asset allocation |  | 0.00% |  |
Stock Index Funds | Maximum |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage target asset allocation |  | 50.00% |  |
Fixed income/cash |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Return applied to target allocation in determining expected long term rate of return |  | 3.00% |  |
Fixed income/cash | Minimum |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage target asset allocation |  | 50.00% |  |
Fixed income/cash | Maximum |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Percentage target asset allocation |  | 100.00% |  |
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 |  |
Projected benefit obligation |  | $ 1,916,000 | 1,824,000 |
Expected employer contributions in next fiscal year |  | 364,000 |  |
Postretirement Benefits |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Projected benefit obligation |  | 1,041,000 | $ 1,268,000 | $ 1,602,000
Expected employer contributions in next fiscal year |  | $ 215,000 |  |

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- Definition Annual benefit accrual percentage of a participants' base salary and cash bonus under the Supplement Executive Retirement Plan. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a 15 year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a five year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a ten year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a 30 year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a 25 year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition This percentage represents the actual historical annualized return over a 20 year period using a target allocation of 70 percent public equity and 30 percent fixed income securities. + References No definition available. + Details
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- Definition Period in which an employee's right to receive a benefit under the Supplemental Employee Retirement Plan is no longer contingent on satisfaction of a service condition, in 'PnYnMnDTnHnMnS' format. + References No definition available. + Details
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- Definition Under the defined contribution plan, this percentage represents the percent of annual employee compensation which is eligible for an employer match. + References No definition available. + Details
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- Definition The maximum annual benefit amount available to each retiree for postretirement health benefits under the other postretirement defined benefit plan. + References No definition available. + Details
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- Definition The maximum benefit period, in years, available to each retiree for postretirement health benefits under the other postretirement defined benefit plan. + References No definition available. + Details
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- Definition Under the defined contribution plan, this percentage represents the employer match percentage applied to eligible employee contributions made to the plan in determination of the dollar amount of the employer match; this amount is subject to a limit based on the percent of annual employee compensation which is eligible for an employer match. + References No definition available. + Details
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- Definition Proposed date approved for termination of qualified retirement plan. + References No definition available. + Details
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- Definition In the determination of the defined benefit plan assumption as to the rate of return on plan assets used calculating period end benefit obligation liability; this percentage represents the estimated annualized return for the noted group of securities. + References No definition available. + Details
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- Definition Description of plan to terminate the qualified defined benefit pension plan. + References No definition available. + Details
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- Definition The total amount of cash and securities held by third party trustees in a rabbi trust for the payment of supplemental employee retirement benefits. + References No definition available. + Details
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- Definition The vesting percentage of accrued benefits for all retirement plan participants as of the final plan termination date under a plan amendment. + References No definition available. + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Ultimate trend rate for health care cost for defined benefit postretirement plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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