Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Accumulated Other Comprehensive Income Rollforward [Roll Forward]
Beginning balance	$ 8,297.6	$ 7,652.5	$ 7,556.9	$ 7,629.1
Current period other comprehensive income (loss)	(32.1)	34.4	548.8	(124.5)
Ending balance	8,341.0	7,855.7	8,341.0	7,855.7
Total
Accumulated Other Comprehensive Income Rollforward [Roll Forward]
Beginning balance	(947.6)	(1,238.7)	(1,527.9)	(1,080.0)
Current period other comprehensive income (loss)			548.3
Ending balance	(979.6)	$ (1,204.5)	(979.6)	$ (1,204.5)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Rollforward [Roll Forward]
Beginning balance			(1,527.2)
Current period other comprehensive income (loss)			548.3
Ending balance	(978.9)		(978.9)
Prior Pension and Post-Retirement Benefit Service Cost and Actuarial Gain (Loss)
Accumulated Other Comprehensive Income Rollforward [Roll Forward]
Beginning balance			(0.7)
Current period other comprehensive income (loss)			0.0
Ending balance	$ (0.7)		$ (0.7)