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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 26, 2022 | Dec. 26, 2021
Workers' Compensation Commitments [Line Items] |  |
Cash collateral held by workers’ compensation insurance carriers | $ 23,332 | $ 23,056
Cash and cash equivalents held in Trust | 27,745 | 21,590
Investments held in Trust | 121,447 | 135,419
Letters of credit | 6,160 | 6,160
Surety bonds | 21,898 | 21,969
Total collateral commitments | $ 200,582 | $ 208,194
Surety bonds annual fee limit as a percentage of bond amount | 2.00% |
Surety bonds required cancellation notice | 60 days |
Minimum |  |
Workers' Compensation Commitments [Line Items] |  |
Surety bonds review and renewal period if elected | 1 year |
Maximum |  |
Workers' Compensation Commitments [Line Items] |  |
Surety bonds review and renewal period if elected | 4 years |

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- Definition Cash collateral held by insurance carriers as of the reporting date for workers' compensation obligations for which the insurance carriers become responsible should we become insolvent. + References No definition available. + Details
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- Definition Maximum fee percentage on bond amount for surety bonds issued by independent insurance companies on our behalf. + References No definition available. + Details
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- Definition Total collateral commitments required by insurance carriers as of the reporting date for workers' compensation obligations for which the insurance carriers become responsible should we become insolvent. + References No definition available. + Details
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- Definition The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate within one year of the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(b)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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