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INVESTMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 28, 2025 USD ($) day | Sep. 29, 2024 USD ($) | Sep. 28, 2025 USD ($) day fund | Jun. 29, 2025 USD ($) | Sep. 29, 2024 USD ($) | Jun. 30, 2024 USD ($) | Dec. 29, 2024 USD ($)
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Short-term investments | $ 228,000 |  | $ 228,000 |  |  |  | $ 93,000
Strategic equity investments, without readily determinable fair values | 58,000 |  | 58,000 |  |  |  | 26,000
Total revenue | $ 1,084,000 | $ 1,080,000 | $ 3,184,000 |  | $ 3,268,000 |  |
GRAIL |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Contingent value right, terms |  |  | 12 years |  |  |  |
Covered revenues of GRAIL, contingent consideration liability |  |  |  | $ 106,000 |  | $ 89,000 |
Payment for contingent consideration |  |  | $ 994 |  | 836 |  |
GRAIL | Payment Rights Of One Billion, Each Twelve Years |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Contingent payment rights | 2.50% |  | 2.50% |  |  |  |
Business acquisition, contingent value rights, revenue threshold |  |  | $ 1,000,000 |  |  |  |
GRAIL | Payment Rights Of Above One Billion, Each Twelve Years |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Business acquisition, contingent value rights, revenue threshold |  |  | $ 1,000,000 |  |  |  |
Contingent payment rights, second percentage | 9.00% |  | 9.00% |  |  |  |
GRAIL | Revenue Risk Premium |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Revenue risk premium | 0.03 |  | 0.03 |  |  |  |
GRAIL | Calculation Trailing Period |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Revenue risk premium | day | 60 |  | 60 |  |  |  |
Spinoff | GRAIL |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Contingent consideration liabilities | $ 43,000 |  | $ 43,000 |  |  |  | 71,000
Contingent consideration, noncurrent | 42,000 |  | 42,000 |  |  |  | 70,000
Increase in 20% of revenue, increase in liability | 13,000 |  | 13,000 |  |  |  |
Decrease in 20% of revenue, decrease in liability | 11,000 |  | 11,000 |  |  |  |
Effect of change of additional 250 basis points, decrease in liability | 8,000 |  | 8,000 |  |  |  |
Effect of change of additional 250 basis points, increase in liability | 10,000 |  | 10,000 |  |  |  |
Investee |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Total revenue | 7,000 | 7,000 | $ 22,000 |  | 13,000 |  |
Venture Capital Investment Fund (the Fund) |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Number of venture capital investment funds | fund |  |  | 3 |  |  |  |
Equity method investments | 215,000 |  | $ 215,000 |  |  |  | $ 201,000
Unrealized gain (loss) on investments | $ 2,000 | $ (6,000) | $ 10,000 |  | $ (3,000) |  |

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