Retirement Benefits (Details 2)	12 Months Ended
Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate		2.95%	2.60%
Rate of increase in future compensation levels	3.00%		1.00%
Expected long-term rate of return on assets		6.43%	6.71%
Pension Benefits [Member] \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.55%
Rate of increase in future compensation levels		2.00%
Expected long-term rate of return on assets	5.80%
Pension Benefits [Member] \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate	6.40%
Rate of increase in future compensation levels		3.00%
Expected long-term rate of return on assets	6.57%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.45%	2.80%	2.45%
Rate of increase in future compensation levels	0.00%	0.00%	0.00%
Expected long-term rate of return on assets	0.00%	0.00%	0.00%

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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- 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://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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