Retirement Plan - Assumptions to Calculate Benefit Obligation and Net Periodic Costs of SERP (Detail) - SERP [Member] |
12 Months Ended | ||
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Jun. 25, 2026 |
Jun. 26, 2025 |
Jun. 27, 2024 |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
| Discount rate | 5.59% | 5.49% | |
| Average rate of compensation increases | 4.50% | 4.50% | |
| Bonus payment | 116% - 125% of base, paid 4 of 5 years | 45% - 115% of base, paid 4 of 5 years | |
| Discount rate | 5.49% | 5.45% | 5.12% |
| Long-term rate of compensation increases | 4.50% | 6.11% | 4.50% |
| Mortality | Pri-2012 white collar with MP- 2021 scale | Pri-2012 white collar with MP- 2021 scale | Pri-2012 white collar with MP- 2021 scale |
| Bonus payment | 45% - 115% of base, paid 4 of 5 years | 45% - 115% of base, paid 4 of 5 years | 45% - 110% of base, paid 4 of 5 years |
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- Definition Assumed amount and frequency of bonus payment used in calculating benefit obligation of the SERP. No definition available.
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- Definition Assumed amount and frequency of bonus payment used in calculating net periodic benefit cost of the SERP. No definition available.
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition Relevant mortality and surrender rate assumptions that are an integral part of the methodology used in calculating the reserve for future benefits to be paid to or on behalf of policyholders and related expenses less the present value of future net premiums using assumptions such as estimates of expected investment yields, mortality, morbidity, terminations and expenses, applicable at the time the insurance contracts are made and cost of settling insured claims and cost incurred in the claim settlement process. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Details
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