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FAIR VALUE - Asset Measured at Fair Value (Details) - USD ($) $ in Thousands | Jun. 29, 2024 | Dec. 30, 2023
--- | --- | ---
Fixed Income | Restricted Investment |  |
Fair Value |  |
Investments at fair value | $ 30,000 | $ 24,400
Money market funds | Cash and Cash Equivalents |  |
Fair Value |  |
Investments at fair value | 261,400 | 498,500
Money market funds | Restricted Investment |  |
Fair Value |  |
Investments at fair value | 300 | 400
Mutual funds, equity and alternative investments | Investments |  |
Fair Value |  |
Investments at fair value | 36,700 | 34,800
Mutual funds, equity and alternative investments | Other Non current Assets |  |
Fair Value |  |
Investments at fair value | 22,000 | 10,500
Money market and mutual funds | Other Non current Assets |  |
Fair Value |  |
Investments at fair value | 100 | 100
Ardellis Insurance Ltd. |  |
Fair Value |  |
Total Fair Value | 66,691 | 59,177
Estimate of Fair Value Measurement | Recurring |  |
Fair Value |  |
Investments at fair value | 350,467 | 568,655
Estimate of Fair Value Measurement | Recurring | Fixed Income |  |
Fair Value |  |
Investments at fair value | 29,607 | 24,088
Estimate of Fair Value Measurement | Recurring | Money market funds |  |
Fair Value |  |
Investments at fair value | 261,727 | 498,933
Estimate of Fair Value Measurement | Recurring | Treasury securities |  |
Fair Value |  |
Investments at fair value | 344 | 344
Estimate of Fair Value Measurement | Recurring | Equity |  |
Fair Value |  |
Investments at fair value | 39,279 | 26,911
Estimate of Fair Value Measurement | Recurring | Alternative Investments |  |
Fair Value |  |
Investments at fair value | 4,054 | 4,052
Estimate of Fair Value Measurement | Recurring | Mutual Fund |  |
Fair Value |  |
Investments at fair value | 15,456 | 14,327
Estimate of Fair Value Measurement | Recurring | Domestic stock |  |
Fair Value |  |
Investments at fair value | 14,406 | 13,330
Estimate of Fair Value Measurement | Recurring | International stock funds |  |
Fair Value |  |
Investments at fair value | 550 | 509
Estimate of Fair Value Measurement | Recurring | Target funds |  |
Fair Value |  |
Investments at fair value | 9 | 9
Estimate of Fair Value Measurement | Recurring | Bond funds |  |
Fair Value |  |
Investments at fair value | 5 | 5
Estimate of Fair Value Measurement | Recurring | Alternative funds |  |
Fair Value |  |
Investments at fair value | 486 | 474
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) |  |
Fair Value |  |
Investments at fair value | 288,984 | 528,994
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Fixed Income |  |
Fair Value |  |
Investments at fair value | 5,130 | 5,112
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Money market funds |  |
Fair Value |  |
Investments at fair value | 250,775 | 492,800
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Treasury securities |  |
Fair Value |  |
Investments at fair value | 344 | 344
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Equity |  |
Fair Value |  |
Investments at fair value | 17,279 | 16,411
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Mutual Fund |  |
Fair Value |  |
Investments at fair value | 15,456 | 14,327
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Domestic stock |  |
Fair Value |  |
Investments at fair value | 14,406 | 13,330
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | International stock funds |  |
Fair Value |  |
Investments at fair value | 550 | 509
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Target funds |  |
Fair Value |  |
Investments at fair value | 9 | 9
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Bond funds |  |
Fair Value |  |
Investments at fair value | 5 | 5
Estimate of Fair Value Measurement | Recurring | Quoted Prices in Active Markets (Level 1) | Alternative funds |  |
Fair Value |  |
Investments at fair value | 486 | 474
Estimate of Fair Value Measurement | Recurring | Prices with Other Observable Inputs (Level 2) |  |
Fair Value |  |
Investments at fair value | 35,429 | 25,109
Estimate of Fair Value Measurement | Recurring | Prices with Other Observable Inputs (Level 2) | Fixed Income |  |
Fair Value |  |
Investments at fair value | 24,477 | 18,976
Estimate of Fair Value Measurement | Recurring | Prices with Other Observable Inputs (Level 2) | Money market funds |  |
Fair Value |  |
Investments at fair value | 10,952 | 6,133
Estimate of Fair Value Measurement | Recurring | Prices with Unobservable Inputs (Level 3) |  |
Fair Value |  |
Investments at fair value | 26,054 | 14,552
Estimate of Fair Value Measurement | Recurring | Prices with Unobservable Inputs (Level 3) | Equity |  |
Fair Value |  |
Investments at fair value | 22,000 | 10,500
Estimate of Fair Value Measurement | Recurring | Prices with Unobservable Inputs (Level 3) | Alternative Investments |  |
Fair Value |  |
Investments at fair value | $ 4,054 | $ 4,052

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