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Employee Retirement Plans Summary classes of security by percentage (Details) | Jan. 01, 2022 | Jan. 02, 2021
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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 | 53.00% | 48.00%
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 | 11.00% | 12.00%
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 | 36.00% | 39.00%
Fixed Income Securities [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 38.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 56.00% | 57.00%
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 | 1.00% | 3.00%
Money Market Instruments [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 32.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 15.00% | 15.00%
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 | 10.00% | 10.00%
Other (real estate & commodities) [Member] | Non US Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 13.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 15.00% | 13.00%
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 | 3.00% | 3.00%

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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