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RESTRICTED CASH AND INVESTMENTS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 29, 2024 | Dec. 31, 2023 | Dec. 25, 2022
Restricted Cash and Investments [Line Items] |  |  |
Cash collateral held by insurance carriers | $ 22,387 | $ 23,598 |
Cash and cash equivalents held in Trust | 15,406 | 12,703 |
Investments held in Trust | 99,506 | 122,659 |
Company-owned life insurance policies | 41,846 | 32,905 |
Other restricted cash and cash equivalents | 771 | 1,120 |
Total restricted cash, cash equivalents and investments | 179,916 | 192,985 |
Amortized cost | 99,506 | 122,659 |
Gross unrealized gain | 212 | 533 |
Gross unrealized losses | (1,126) | (2,279) |
Fair value | 98,592 | 120,913 |
Amortized cost |  |  |
Total held-to-maturity investments | 99,506 | 122,659 |
Fair value |  |  |
Total held-to-maturity investments | 98,592 | 120,913 |
Proceeds from company-owned life insurance | 0 | 1,662 | $ 0
Unrealized gains (losses) | 4,940 | 4,383 | $ (5,841)
Municipal debt securities |  |  |
Restricted Cash and Investments [Line Items] |  |  |
Amortized cost | 22,490 | 32,042 |
Gross unrealized gain | 0 | 4 |
Gross unrealized losses | (135) | (242) |
Fair value | 22,355 | 31,804 |
Amortized cost |  |  |
Total held-to-maturity investments | 22,490 | 32,042 |
Fair value |  |  |
Total held-to-maturity investments | 22,355 | 31,804 |
Corporate debt securities |  |  |
Restricted Cash and Investments [Line Items] |  |  |
Amortized cost | 64,313 | 76,578 |
Gross unrealized gain | 144 | 333 |
Gross unrealized losses | (945) | (1,999) |
Fair value | 63,512 | 74,912 |
Amortized cost |  |  |
Total held-to-maturity investments | 64,313 | 76,578 |
Fair value |  |  |
Total held-to-maturity investments | 63,512 | 74,912 |
Agency mortgage-backed securities |  |  |
Restricted Cash and Investments [Line Items] |  |  |
Amortized cost | 11,703 | 13,039 |
Gross unrealized gain | 68 | 196 |
Gross unrealized losses | (17) | 0 |
Fair value | 11,754 | 13,235 |
Amortized cost |  |  |
Total held-to-maturity investments | 11,703 | 13,039 |
Fair value |  |  |
Total held-to-maturity investments | 11,754 | 13,235 |
U.S. government and agency securities |  |  |
Restricted Cash and Investments [Line Items] |  |  |
Amortized cost | 1,000 | 1,000 |
Gross unrealized gain | 0 | 0 |
Gross unrealized losses | (29) | (38) |
Fair value | 971 | 962 |
Amortized cost |  |  |
Total held-to-maturity investments | 1,000 | 1,000 |
Fair value |  |  |
Total held-to-maturity investments | 971 | $ 962 |
Restricted Cash and Investments |  |  |
Restricted Cash and Investments [Line Items] |  |  |
Amortized cost | 99,506 |  |
Fair value | 98,592 |  |
Amortized cost |  |  |
Due in one year or less | 29,039 |  |
Due after one year through five years | 58,533 |  |
Due after five years through ten years | 6,224 |  |
Due after ten years | 5,710 |  |
Total held-to-maturity investments | 99,506 |  |
Fair value |  |  |
Due in one year or less | 28,757 |  |
Due after one year through five years | 57,906 |  |
Due after five years through ten years | 6,185 |  |
Due after ten years | 5,744 |  |
Total held-to-maturity investments | $ 98,592 |  |

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- Definition Amount of unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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