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RESTRICTED CASH AND INVESTMENTS (Tables) | 12 Months Ended
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Jan. 01, 2017
Restricted Cash and Investments [Abstract] |
Schedule of restricted cash and investments | The following is a summary of our restricted cash and investments (in thousands):
| January 1, 2017 |  | December 25, 2015
Cash collateral held by insurance carriers | $ | 34,910 |  |  | $ | 23,634 |
Cash and cash equivalents held in Trust | 32,841 |  |  | 26,046 |
Investments held in Trust | 146,517 |  |  | 126,788 |
Other (1) | 16,925 |  |  | 11,944 |
Total restricted cash and investments | $ | 231,193 |  |  | $ | 188,412 |
(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):
| January 1, 2017
| Amortized Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
Municipal debt securities | $ | 71,618 |  |  | $ | 443 |  |  | $ | (865 | ) |  | $ | 71,196 |
Corporate debt securities | 68,934 |  |  | 212 |  |  | (352 | ) |  | 68,794 |
Agency mortgage-backed securities | 5,965 |  |  | 30 |  |  | (32 | ) |  | 5,963 |
| $ | 146,517 |  |  | $ | 685 |  |  | $ | (1,249 | ) |  | $ | 145,953 |
| December 25, 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 |
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):
| January 1, 2017
| Amortized Cost |  | Fair Value
Due in one year or less | $ | 15,640 |  |  | $ | 15,666 |
Due after one year through five years | 73,973 |  |  | 73,941 |
Due after five years through ten years | 56,904 |  |  | 56,346 |
| $ | 146,517 |  |  | $ | 145,953 |

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