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Employee Retirement Plans Summary classes of security by percentage (Details) | Dec. 28, 2024 | Dec. 30, 2023
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USPlans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Equity Securities [Member] | USPlans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 48.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 51.00% | 43.00%
Equity Securities [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 17.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 7.00% | 11.00%
Fixed Income Securities [Member] | USPlans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 40.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 39.00% | 42.00%
Fixed Income Securities [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 75.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 94.00% | 69.00%
Money Market Instruments [Member] | USPlans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 4.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 2.00% | 6.00%
Money Market Instruments [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 6.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 18.00% | 5.00%
Other (real estate & commodities) [Member] | USPlans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 8.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 8.00% | 9.00%
Other (real estate & commodities) [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 2.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 10.00% | 9.00%
Cash and Cash Equivalents | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 0.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 7.00% | 6.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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