Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023	Dec. 29, 2023
Income Taxes [Line Items]
Income tax expense	$ (7.2)	$ (10.8)	$ (20.4)	$ (508.1)
Effective tax rate	37.90%	0.60%	17.80%	23.00%
Unrecognized tax benefits	$ 29.7		$ 29.7		$ 33.3
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 19.0	$ 1,714.1	114.8	$ 2,213.9
Proceeds from Income Tax Refunds			136.3
Income Taxes Paid			4.4
IRELAND
Income Taxes [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	12.50%
CARES Act [Member]
Income Taxes [Line Items]
Proceeds from Income Tax Refunds			141.6
Operational activity
Income Taxes [Line Items]
Proceeds from Income Tax Refunds			$ 5.3