Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 29, 2025	Dec. 31, 2025
Fair value, assets and liabilities measured on a recurring basis
Noncurrent investments	$ 0.7		$ 1.1
Equity securities without readily determinable fair value, amount	57.0		58.0
Equity securities without readily determinable fair value, downward price adjustment, amount	1.3	$ 14.3
Quoted Prices in Active Markets (Level 1)
Fair value, assets and liabilities measured on a recurring basis
Noncurrent investments	0.7		1.1
Cash and cash equivalents
Fair value, assets and liabilities measured on a recurring basis
Current investments	1.4		1.1
Other Current Assets
Fair value, assets and liabilities measured on a recurring basis
Current investments	$ 46.6		$ 46.9