Retirement Benefit Plans (Details 4)	12 Months Ended
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%

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
-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

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