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COMMITMENTS AND CONTINGENCIES - Workers' Compensation Commitments (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 01, 2017 | Dec. 25, 2015
Workers' Compensation Commitments [Line Items] |  |
Cash collateral held by workers' compensation insurance carriers | $ 28,066 | $ 23,133
Cash and cash equivalents held in Trust | 32,841 | 26,046
Investments held in Trust | 146,517 | 126,788
Letters of credit | 7,982 | 4,520
Surety bonds | 20,440 | 17,946
Total collateral commitments | $ 235,846 | $ 198,433
Surety bonds annual fee limit, % 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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