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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 15, 2021 | Dec. 26, 2021 | Dec. 27, 2020 | Dec. 29, 2019 | Dec. 30, 2018
Property, Plant and Equipment [Line Items] |  |  |  |  |
Advertising expense |  | $ 9,700 | $ 5,500 | $ 6,800 |
Accounts receivable, allowance for credit loss |  | $ 6,687 | 2,921 | 4,288 | $ 5,026
Terms of lease agreements |  | 15 years |  |  |
Reporting unit, percentage of fair value in excess of carrying amount |  | 20.00% |  |  |
Goodwill, impairment charge |  |  | 140,489 |  |
Impairment of finite-lived intangible assets |  |  | 34,700 |  |
Government incentives |  | $ 3,900 | 9,900 |  |
Deferred employer payroll taxes CARES Act | $ 59,900 |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Accounts receivable, allowance for credit loss |  |  | $ 0 | $ 524 | $ 0
Buildings |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life |  | 40 years |  |  |
Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Terms of lease agreements |  | 3 years |  |  |
Minimum | Software |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life |  | 3 years |  |  |
Minimum | Computers, furniture and equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life |  | 3 years |  |  |
Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Terms of lease agreements |  | 5 years |  |  |
Maximum | Software |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life |  | 8 years |  |  |
Maximum | Computers, furniture and equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Useful life |  | 10 years |  |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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