Marketable Securities (Tables)
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6 Months Ended |
Jun. 27, 2026 |
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| Investments, Debt and Equity Securities [Abstract] |
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| Schedule of Marketable Securities Classified as Available-for-sale Securities |
Marketable securities classified as available-for-sale securities are summarized below:
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Available-For-Sale Securities
as of June 27, 2026 |
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Fair Value Level |
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Amortized Cost |
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Gross Unrealized
Gains |
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Gross Unrealized
Losses |
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Fair Value |
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U.S. Treasury securities |
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Level 2 |
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$ |
11,360 |
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$ |
15 |
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$ |
(138 |
) |
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$ |
11,237 |
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Agency securities |
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Level 2 |
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115,462 |
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21 |
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(1,359 |
) |
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114,124 |
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Mortgage-backed securities |
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Level 2 |
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66,898 |
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69 |
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(894 |
) |
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66,073 |
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Corporate debt securities |
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Level 2 |
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1,638,978 |
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3,192 |
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(12,901 |
) |
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1,629,269 |
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Municipal securities |
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Level 2 |
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216,593 |
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197 |
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(1,858 |
) |
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214,932 |
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Other |
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Level 2 |
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— |
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— |
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— |
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— |
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Total |
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$ |
2,049,291 |
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$ |
3,494 |
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$ |
(17,150 |
) |
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$ |
2,035,635 |
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Available-For-Sale Securities
as of December 27, 2025 |
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Fair Value Level |
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Amortized Cost |
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Gross Unrealized
Gains |
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Gross Unrealized
Losses |
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Fair Value |
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U.S. Treasury securities |
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Level 2 |
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$ |
11,310 |
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$ |
54 |
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$ |
(3 |
) |
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$ |
11,361 |
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Agency securities |
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Level 2 |
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79,794 |
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63 |
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(316 |
) |
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79,541 |
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Mortgage-backed securities |
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Level 2 |
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86,251 |
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567 |
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(1,508 |
) |
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85,310 |
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Corporate debt securities |
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Level 2 |
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1,454,326 |
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12,809 |
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(4,624 |
) |
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1,462,511 |
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Municipal securities |
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Level 2 |
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217,629 |
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675 |
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(2,201 |
) |
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216,103 |
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Other |
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Level 2 |
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1,346 |
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— |
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(41 |
) |
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1,305 |
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Total |
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$ |
1,850,656 |
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$ |
14,168 |
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$ |
(8,693 |
) |
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$ |
1,856,131 |
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| Schedule of Gross Unrealized Losses and Fair Value by Major Security Type |
The following tables display additional information regarding gross unrealized losses and fair value by major security type for available-for-sale securities in an unrealized loss position as of June 27, 2026 and December 27, 2025.
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As of June 27, 2026 |
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Less than 12 Consecutive Months |
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12 Consecutive Months or Longer |
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Total |
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Gross Unrealized Losses |
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Fair Value |
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Gross Unrealized Losses |
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Fair Value |
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Gross Unrealized Losses |
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Fair Value |
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U.S. Treasury securities |
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$ |
(138 |
) |
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$ |
7,848 |
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$ |
— |
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$ |
— |
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$ |
(138 |
) |
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$ |
7,848 |
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Agency securities |
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(1,351 |
) |
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101,128 |
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(8 |
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6,991 |
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(1,359 |
) |
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108,119 |
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Mortgage-backed securities |
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(254 |
) |
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47,312 |
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(640 |
) |
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8,137 |
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(894 |
) |
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55,449 |
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Corporate debt securities |
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(11,366 |
) |
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912,210 |
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(1,535 |
) |
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155,985 |
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(12,901 |
) |
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1,068,195 |
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Municipal securities |
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(1,216 |
) |
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104,621 |
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(642 |
) |
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69,275 |
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(1,858 |
) |
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173,896 |
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Other |
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— |
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— |
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— |
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— |
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— |
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— |
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Total |
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$ |
(14,325 |
) |
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$ |
1,173,119 |
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$ |
(2,825 |
) |
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$ |
240,388 |
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$ |
(17,150 |
) |
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$ |
1,413,507 |
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As of December 27, 2025 |
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Less than 12 Consecutive Months |
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12 Consecutive Months or Longer |
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Total |
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Gross Unrealized Losses |
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Fair Value |
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Gross Unrealized Losses |
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Fair Value |
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Gross Unrealized Losses |
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Fair Value |
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U.S. Treasury securities |
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$ |
(3 |
) |
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$ |
7,981 |
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$ |
— |
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$ |
— |
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$ |
(3 |
) |
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$ |
7,981 |
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Agency securities |
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(217 |
) |
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54,089 |
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(99 |
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6,900 |
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(316 |
) |
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60,989 |
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Mortgage-backed securities |
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(193 |
) |
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15,074 |
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(1,315 |
) |
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14,664 |
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(1,508 |
) |
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29,738 |
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Corporate debt securities |
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(1,469 |
) |
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222,514 |
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(3,155 |
) |
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301,363 |
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(4,624 |
) |
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523,877 |
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Municipal securities |
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(193 |
) |
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11,094 |
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(2,008 |
) |
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147,899 |
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(2,201 |
) |
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158,993 |
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Other |
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(2 |
) |
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301 |
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(39 |
) |
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1,004 |
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(41 |
) |
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1,305 |
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Total |
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$ |
(2,077 |
) |
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$ |
311,053 |
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$ |
(6,616 |
) |
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$ |
471,830 |
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$ |
(8,693 |
) |
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$ |
782,883 |
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| Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities by Maturity |
The amortized cost and fair value of marketable securities at June 27, 2026, by maturity, are shown below.
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Amortized Cost |
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Fair Value |
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Due in one year or less |
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$ |
333,428 |
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$ |
331,955 |
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Due after one year through five years |
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1,628,983 |
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1,618,916 |
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Due after five years through ten years |
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85,068 |
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83,376 |
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Due after ten years |
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1,812 |
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1,388 |
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Total |
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$ |
2,049,291 |
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$ |
2,035,635 |
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