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Retirement Benefit Plans (Details 4) | 12 Months Ended
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Dec. 30, 2023 | Dec. 31, 2022
Discount rate for other postretirement plan | 5.04% | 5.28%
Discount rate for supplemental pension plans | 4.72% | 4.92%
Minimum [Member] | Pension Benefit Plans and Other Postretirement Benefit Plan [Member] |  |
Discount rate | 4.99% | 5.21%
Maximum [Member] | Pension Benefit Plans and Other Postretirement Benefit Plan [Member] |  |
Discount rate | 5.00% | 5.23%

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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. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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