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FAIR VALUE - Available for Sale Investment Portfolio (Details) - Ardellis Insurance Ltd. - USD ($) $ in Thousands | Mar. 27, 2021 | Mar. 28, 2020
--- | --- | ---
Available-for-sale securities |  |
Total Securities Cost | $ 41,229 | $ 34,079
Unrealized Gain (Loss) | 6,720 | (940)
Total Fair Value | 47,949 | 33,139
Fixed Income |  |
Available-for-sale securities |  |
Debt Securities Cost | 15,867 | 15,257
Debt Securities Unrealized Gain/(Loss) | 642 | 104
Debt Securities Fair Value | 16,509 | 15,361
Equity |  |
Available-for-sale securities |  |
Equity Securities Cost | 14,664 | 9,690
Equity Securities Unrealized Gain/(Loss) | 3,832 | (601)
Equity Securities Fair Value | 18,496 | 9,089
Mutual Fund |  |
Available-for-sale securities |  |
Debt Securities Cost | 8,769 | 7,298
Debt Securities Unrealized Gain/(Loss) |  | (569)
Debt Securities Unrealized Gain/(Loss) | 2,049 |
Debt Securities Fair Value | 10,818 | 6,729
Alternative Investments |  |
Available-for-sale securities |  |
Debt Securities Cost | 1,929 | 1,834
Debt Securities Unrealized Gain/(Loss) | 197 | 126
Debt Securities Fair Value | $ 2,126 | $ 1,960

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