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v3.26.1

Marketable Securities (Tables) | 3 Months Ended
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Mar. 28, 2026
Investments, Debt and Equity Securities [Abstract] |
Schedule of Marketable Securities Classified as Available-for-sale Securities | Marketable securities classified as available-for-sale securities are summarized below:
|  | Available-For-Sale Securities as of March 28, 2026 |
|  | Fair Value Level |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury securities |  | Level 2 |  | $ | 11,335 |  |  | $ | 24 |  |  | $ | (122 | ) |  | $ | 11,237 |
Agency securities |  | Level 2 |  |  | 91,680 |  |  |  | 18 |  |  |  | (1,050 | ) |  |  | 90,648 |
Mortgage-backed securities |  | Level 2 |  |  | 83,834 |  |  |  | 66 |  |  |  | (1,631 | ) |  |  | 82,269 |
Corporate debt securities |  | Level 2 |  |  | 1,643,629 |  |  |  | 5,986 |  |  |  | (14,278 | ) |  |  | 1,635,337 |
Municipal securities |  | Level 2 |  |  | 204,661 |  |  |  | 280 |  |  |  | (2,127 | ) |  |  | 202,814 |
Other |  | Level 2 |  |  | 1,080 |  |  |  | — |  |  |  | (28 | ) |  |  | 1,052 |
Total |  |  |  | $ | 2,036,219 |  |  | $ | 6,374 |  |  | $ | (19,236 | ) |  | $ | 2,023,357 |
|  | Available-For-Sale Securities as of December 27, 2025 |
|  | Fair Value Level |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury securities |  | Level 2 |  | $ | 11,310 |  |  | $ | 54 |  |  | $ | (3 | ) |  | $ | 11,361 |
Agency securities |  | Level 2 |  |  | 79,794 |  |  |  | 63 |  |  |  | (316 | ) |  |  | 79,541 |
Mortgage-backed securities |  | Level 2 |  |  | 86,251 |  |  |  | 567 |  |  |  | (1,508 | ) |  |  | 85,310 |
Corporate debt securities |  | Level 2 |  |  | 1,454,326 |  |  |  | 12,809 |  |  |  | (4,624 | ) |  |  | 1,462,511 |
Municipal securities |  | Level 2 |  |  | 217,629 |  |  |  | 675 |  |  |  | (2,201 | ) |  |  | 216,103 |
Other |  | Level 2 |  |  | 1,346 |  |  |  | — |  |  |  | (41 | ) |  |  | 1,305 |
Total |  |  |  | $ | 1,850,656 |  |  | $ | 14,168 |  |  | $ | (8,693 | ) |  | $ | 1,856,131 |
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 March 28, 2026 and December 27, 2025.
|  | As of March 28, 2026 |
|  | Less than 12 Consecutive Months |  |  | 12 Consecutive Months or Longer |  |  | Total |
|  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury securities |  | $ | (122 | ) |  | $ | 7,863 |  |  | $ | — |  |  | $ | — |  |  | $ | (122 | ) |  | $ | 7,863 |
Agency securities |  |  | (994 | ) |  |  | 72,696 |  |  |  | (56 | ) |  |  | 6,944 |  |  |  | (1,050 | ) |  |  | 79,640 |
Mortgage-backed securities |  |  | (220 | ) |  |  | 57,073 |  |  |  | (1,411 | ) |  |  | 13,673 |  |  |  | (1,631 | ) |  |  | 70,746 |
Corporate debt securities |  |  | (11,904 | ) |  |  | 804,398 |  |  |  | (2,374 | ) |  |  | 216,935 |  |  |  | (14,278 | ) |  |  | 1,021,333 |
Municipal securities |  |  | (899 | ) |  |  | 48,909 |  |  |  | (1,228 | ) |  |  | 114,573 |  |  |  | (2,127 | ) |  |  | 163,482 |
Other |  |  | — |  |  |  | — |  |  |  | (28 | ) |  |  | 1,052 |  |  |  | (28 | ) |  |  | 1,052 |
Total |  | $ | (14,139 | ) |  | $ | 990,939 |  |  | $ | (5,097 | ) |  | $ | 353,177 |  |  | $ | (19,236 | ) |  | $ | 1,344,116 |
|  | As of December 27, 2025 |
|  | Less than 12 Consecutive Months |  |  | 12 Consecutive Months or Longer |  |  | Total |
|  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury securities |  | $ | (3 | ) |  | $ | 7,981 |  |  | $ | — |  |  | $ | — |  |  | $ | (3 | ) |  | $ | 7,981 |
Agency securities |  |  | (217 | ) |  |  | 54,089 |  |  |  | (99 | ) |  |  | 6,900 |  |  |  | (316 | ) |  |  | 60,989 |
Mortgage-backed securities |  |  | (193 | ) |  |  | 15,074 |  |  |  | (1,315 | ) |  |  | 14,664 |  |  |  | (1,508 | ) |  |  | 29,738 |
Corporate debt securities |  |  | (1,469 | ) |  |  | 222,514 |  |  |  | (3,155 | ) |  |  | 301,363 |  |  |  | (4,624 | ) |  |  | 523,877 |
Municipal securities |  |  | (193 | ) |  |  | 11,094 |  |  |  | (2,008 | ) |  |  | 147,899 |  |  |  | (2,201 | ) |  |  | 158,993 |
Other |  |  | (2 | ) |  |  | 301 |  |  |  | (39 | ) |  |  | 1,004 |  |  |  | (41 | ) |  |  | 1,305 |
Total |  | $ | (2,077 | ) |  | $ | 311,053 |  |  | $ | (6,616 | ) |  | $ | 471,830 |  |  | $ | (8,693 | ) |  | $ | 782,883 |
Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities by Maturity | The amortized cost and fair value of marketable securities at March 28, 2026, by maturity, are shown below.
|  | Amortized Cost |  |  | Fair Value |
Due in one year or less |  | $ | 413,705 |  |  | $ | 411,034 |
Due after one year through five years |  |  | 1,561,918 |  |  |  | 1,554,300 |
Due after five years through ten years |  |  | 56,021 |  |  |  | 54,208 |
Due after ten years |  |  | 4,575 |  |  |  | 3,815 |
Total |  | $ | 2,036,219 |  |  | $ | 2,023,357 |

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