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COMMITMENTS AND CONTINGENCIES (Tables) | 6 Months Ended
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Jun. 28, 2013
Commitments and Contingencies Disclosure [Abstract] |
Schedule of applicable spread based on excess liquidity | Under the terms of the Revolving Credit Facility, we pay a variable rate of interest on funds borrowed that is based on London Interbank Offered Rate (LIBOR) or the Prime Rate, at our option, plus an applicable spread based on excess liquidity as set forth below:
Excess Liquidity |  | Prime Rate Loans |  | LIBOR Rate Loans
Greater than $40 million |  | 0.50% |  | 1.50%
Between $20 million and $40 million |  | 0.75% |  | 1.75%
Less than $20 million |  | 1.00% |  | 2.00%
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 millions):
| June 28, 2013 |  | December 28, 2012
Cash collateral held by insurance carriers | $ | 24.6 |  |  | $ | 21.5 |
Cash and cash equivalents held in Trust (1) | 16.6 |  |  | 14.8 |
Investments held in Trust | 85.9 |  |  | 91.2 |
Letters of credit (2) | 7.9 |  |  | 9.0 |
Surety bonds (3) | 16.0 |  |  | 16.2 |
Total collateral commitments | $ | 151.0 |  |  | $ | 152.7 |
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(1) | Included in this amount is $0.8 million and $0.9 million of accrued interest at June 28, 2013 and December 28, 2012, respectively.
(2) | We have agreements with certain financial institutions to issue letters of credit as collateral. We had $1.8 million of restricted cash collateralizing our letters of credit at June 28, 2013 and December 28, 2012, respectively.
(3) | Our surety bonds are issued by independent insurance companies on our behalf and bear annual fees based on a percentage of the bond, which is determined by each independent surety carrier, but 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 variable rates of interest on funds borrowed under a revolving credit facility. + References No definition available. + Details
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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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