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COMMITMENTS AND CONTINGENCIES (Tables) | 3 Months Ended
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Mar. 27, 2015
Commitments and Contingencies Disclosure [Abstract] |
Schedule of workers’ compensation collateral commitments | We have provided our insurance carriers and certain states with commitments in the form and amounts listed below (in thousands):
| March 27, 2015 |  | December 26, 2014
Cash collateral held by insurance carriers | $ | 22,497 |  |  | $ | 22,639 |
Cash and cash equivalents held in Trust | 51,066 |  |  | 43,856 |
Investments held in Trust | 85,351 |  |  | 90,095 |
Letters of credit (1) | 6,787 |  |  | 6,513 |
Surety bonds (2) | 16,861 |  |  | 16,861 |
Total collateral commitments | $ | 182,562 |  |  | $ | 179,964 |
(1) | We have agreements with certain financial institutions to issue letters of credit as collateral. We had $1.9 million of restricted cash collateralizing our letters of credit at March 27, 2015 and December 26, 2014.
(2) | Our surety bonds are issued by independent insurance companies on our behalf and bear annual fees based on a percentage of the bond, which are determined by each independent surety carrier. These fees do not exceed 2.0% of the bond amount, subject to a minimum charge. The terms of these bonds are subject to review and renewal every one to four years and most bonds can be canceled by the sureties with as little as 60 days' notice.

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- Definition Tabular disclosure for 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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