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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Dec. 28, 2024
Fair value, assets and liabilities measured on a recurring basis
Equity securities without readily determinable fair value, amount	$ 50.0		$ 45.0
Equity securities without readily determinable fair value, downward price adjustment, amount	14.3	$ 2.2
Recurring
Fair value, assets and liabilities measured on a recurring basis
Noncurrent investments	7.1		8.4
Recurring \| Quoted Prices in Active Markets (Level 1)
Fair value, assets and liabilities measured on a recurring basis
Noncurrent investments	7.1		8.4
Recurring \| Cash and cash equivalents
Fair value, assets and liabilities measured on a recurring basis
Current investments	1.5		1.5
Recurring \| Other Current Assets
Fair value, assets and liabilities measured on a recurring basis
Current investments	$ 38.8		$ 38.1