Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023	Dec. 29, 2023
Income Taxes [Line Items]
Income tax expense	$ (13.9)	$ (528.1)	$ (13.2)	$ (497.3)
Effective tax rate	47.10%	240.40%	13.80%	99.50%
Unrecognized tax benefits	$ 33.1		$ 33.1		$ 33.3
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 29.5	$ 219.7	95.8	$ 499.8
Proceeds from Income Tax Refunds				137.8
Income Taxes Paid			$ 2.7
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				$ 3.8