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Defined Benefit Plans - Schedule of Assumptions Used (Detail)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Pension Benefits [Member]
Weighted-Average Assumption Used to Determine Benefit Obligations at December 31:
Discount rate	5.70%	5.00%	5.20%
Weighted-Average Assumptions Used to Determine Net Cost for Years Ended December 31:
Discount rate	5.00%	5.20%	2.90%
Expected long-term rate of return on plan assets	7.30%	6.10%	4.40%
Postretirement Benefits [Member]
Weighted-Average Assumption Used to Determine Benefit Obligations at December 31:
Discount rate	7.10%	6.00%	5.80%
Weighted-Average Assumptions Used to Determine Net Cost for Years Ended December 31:
Discount rate	6.00%	5.80%	3.90%

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation 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

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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

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X

- 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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