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Marketable Securities - Schedule of Marketable Securities Classified as Available-for-sale Securities (Details) - USD ($) $ in Thousands | Mar. 26, 2022 | Dec. 25, 2021
--- | --- | ---
Marketable Securities [Line Items] |  |
Amortized Cost, Total | $ 1,685,025 | $ 1,623,253
Gross Unrealized Gains | 1,146 | 11,979
Gross Unrealized Losses | (72,434) | (18,554)
Fair Value | 1,613,737 | 1,616,678
Agency securities [Member] | Fair Value, Level 2 [Member] |  |
Marketable Securities [Line Items] |  |
Amortized Cost, Total | 7,000 | 7,000
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (487) | (110)
Fair Value | 6,513 | 6,890
Mortgage-backed securities [Member] | Fair Value, Level 2 [Member] |  |
Marketable Securities [Line Items] |  |
Amortized Cost, Total | 170,419 | 149,692
Gross Unrealized Gains | 0 | 257
Gross Unrealized Losses | (2,264) | (880)
Fair Value | 168,155 | 149,069
Corporate securities [Member] | Fair Value, Level 2 [Member] |  |
Marketable Securities [Line Items] |  |
Amortized Cost, Total | 1,124,686 | 1,079,390
Gross Unrealized Gains | 947 | 9,830
Gross Unrealized Losses | (47,717) | (11,827)
Fair Value | 1,077,916 | 1,077,393
Municipal securities [Member] | Fair Value, Level 2 [Member] |  |
Marketable Securities [Line Items] |  |
Amortized Cost, Total | 352,245 | 356,037
Gross Unrealized Gains | 199 | 1,870
Gross Unrealized Losses | (19,731) | (4,864)
Fair Value | 332,713 | 353,043
Other [Member] | Fair Value, Level 2 [Member] |  |
Marketable Securities [Line Items] |  |
Amortized Cost, Total | 30,675 | 31,134
Gross Unrealized Gains | 0 | 22
Gross Unrealized Losses | (2,235) | (873)
Fair Value | $ 28,440 | $ 30,283

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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