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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Millions | Dec. 28, 2019 USD ($) contract | Dec. 29, 2018 USD ($) contract
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Debt Instrument [Line Items] |  |
Number of life insurance contracts | contract | 44 | 45
Face value of life insurance contracts | $ | $ 72.7 | $ 65.2
Minimum |  |
Debt Instrument [Line Items] |  |
Company's ownership percentage | 1.00% |
Renewal term for leases | 1 year |
Maximum |  |
Debt Instrument [Line Items] |  |
Company's ownership percentage | 12.00% |
Renewal term for leases | 5 years |

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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Face value (death benefits) of the life insurance policies underlying the life settlement contracts accounted for under the investment method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42674-111610 + Details
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