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RESTRICTED CASH AND INVESTMENTS (Tables) | 12 Months Ended
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Dec. 25, 2015
Restricted Cash and Investments [Abstract] |
Schedule of restricted cash and investments | The following is a summary of our restricted cash and investments (in thousands):
| 2015 |  | 2014
Cash collateral held by insurance carriers | $ | 23,634 |  |  | $ | 22,639 |
Cash and cash equivalents held in Trust | 26,046 |  |  | 43,856 |
Investments held in Trust | 126,788 |  |  | 90,095 |
Other (1) | 11,944 |  |  | 11,836 |
Total restricted cash and investments | $ | 188,412 |  |  | $ | 168,426 |
(1) | Primarily consists of deferred compensation plan accounts, which are comprised of mutual funds classified as available-for-sale securities.
Schedule of held-to-maturity investments | The following tables present fair value disclosures for our held-to-maturity investments, which are carried at amortized cost (in thousands).
| 2015
| Amortized Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
Municipal debt securities | $ | 67,948 |  |  | $ | 1,345 |  |  | $ | (4 | ) |  | $ | 69,289 |
Corporate debt securities | 50,462 |  |  | 226 |  |  | (152 | ) |  | 50,536 |
Agency mortgage-backed securities | 8,378 |  |  | 73 |  |  | (31 | ) |  | 8,420 |
| $ | 126,788 |  |  | $ | 1,644 |  |  | $ | (187 | ) |  | $ | 128,245 |
| 2014
| Amortized Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
Municipal debt securities | $ | 52,406 |  |  | $ | 882 |  |  | $ | (92 | ) |  | $ | 53,196 |
Corporate debt securities | 27,715 |  |  | 179 |  |  | (144 | ) |  | 27,750 |
Agency mortgage-backed securities | 9,974 |  |  | 157 |  |  | (11 | ) |  | 10,120 |
| $ | 90,095 |  |  | $ | 1,218 |  |  | $ | (247 | ) |  | $ | 91,066 |
Schedule of held-to-maturity investments by contractual maturity | The amortized cost and fair value by contractual maturity of our held-to-maturity investments are as follows (in thousands):
| 2015
| Amortized Cost |  | Fair Value
Due in one year or less | $ | 11,441 |  |  | $ | 11,504 |
Due after one year through five years | 55,986 |  |  | 56,253 |
Due after five years through ten years | 59,361 |  |  | 60,488 |
| $ | 126,788 |  |  | $ | 128,245 |

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