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FAIR VALUE - Available for Sale Investment Portfolio (Details) - Ardellis Insurance Ltd. - USD ($) $ in Thousands | Sep. 27, 2025 | Dec. 28, 2024
--- | --- | ---
Available-for-sale securities |  |
Total Securities Cost | $ 72,349 | $ 65,020
Unrealized Gain (Loss) | 8,125 | 4,760
Total Fair Value | 80,474 | 69,780
Fixed Income |  |
Available-for-sale securities |  |
Debt Securities Cost | 46,320 | 39,645
Debt Securities Unrealized Gain/(Loss) | (118) | (1,297)
Debt Securities Fair Value | 46,202 | 38,348
Treasury securities |  |
Available-for-sale securities |  |
Debt Securities Cost | 345 | 344
Debt Securities Fair Value | 345 | 344
Equity |  |
Available-for-sale securities |  |
Equity Securities Cost | 13,563 | 13,161
Equity Securities Unrealized Gain/(Loss) | 4,425 | 3,270
Equity Securities Fair Value | 17,988 | 16,431
Mutual funds |  |
Available-for-sale securities |  |
Debt Securities Cost | 8,714 | 8,549
Debt Securities Unrealized Gain/(Loss) | 3,123 | 2,064
Debt Securities Fair Value | 11,837 | 10,613
Alternative investments |  |
Available-for-sale securities |  |
Debt Securities Cost | 3,407 | 3,321
Debt Securities Unrealized Gain/(Loss) | 695 | 723
Debt Securities Fair Value | $ 4,102 | $ 4,044

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