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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 28, 2025 | Jun. 29, 2024 | Jun. 28, 2025 | Jun. 29, 2024 | Dec. 28, 2024
Fair value, assets and liabilities measured on a recurring basis |  |  |  |  |
Equity securities without readily determinable fair value, amount | $ 55.0 |  | $ 55.0 |  | $ 45.0
Equity securities without readily determinable fair value, downward price adjustment, amount | 1.8 | $ 15.0 | 16.1 | $ 17.2 |
Recurring |  |  |  |  |
Fair value, assets and liabilities measured on a recurring basis |  |  |  |  |
Noncurrent investments | 7.4 |  | 7.4 |  | 8.4
Recurring | Quoted Prices in Active Markets (Level 1) |  |  |  |  |
Fair value, assets and liabilities measured on a recurring basis |  |  |  |  |
Noncurrent investments | 7.4 |  | 7.4 |  | 8.4
Recurring | Cash and cash equivalents |  |  |  |  |
Fair value, assets and liabilities measured on a recurring basis |  |  |  |  |
Current investments | 6.4 |  | 6.4 |  | 1.5
Recurring | Other Current Assets |  |  |  |  |
Fair value, assets and liabilities measured on a recurring basis |  |  |  |  |
Current investments | $ 39.8 |  | $ 39.8 |  | $ 38.1

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