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Pensions and Other Benefit Plans - Company' Retirement Plan Asset Allocation and Target Allocations (Details) | Dec. 29, 2019 | Dec. 30, 2018
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Defined Benefit Plan Disclosure [Line Items] |  |
Percent of Plan Assets | 100.00% | 100.00%
Target Allocation | 100.00% |
Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percent of Plan Assets | 74.00% | 71.00%
Target Allocation | 69.00% |
Debt securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percent of Plan Assets | 26.00% | 29.00%
Target Allocation | 31.00% |

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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=112275985&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=108410482&loc=d3e1928-114920 + Details
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