Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 29, 2023	Dec. 30, 2022
Deferred tax liabilities:
Global intangible low-taxed income	$ 105.8	$ 137.8
Purchased intangibles	373.6	121.1
Operating lease right-of-use assets	30.2	29.0
Other	19.7	16.1
Total deferred tax liabilities	529.3	304.0
Deferred tax assets:
Depreciation and amortization	368.2	400.0
Capitalized research and development	98.4	67.5
Operating lease liabilities	36.2	32.8
U.S. tax credit carryforwards	23.5	25.6
Expenses not currently deductible	26.5	30.9
Net operating loss carryforwards	17.9	20.0
Stock-based compensation	16.7	13.8
Intercompany prepayments	36.6	0.0
Other	60.8	36.6
Total deferred tax assets	684.8	627.2
Valuation allowance	(31.0)	(42.6)
Total deferred tax assets	653.8	584.6
Total net deferred tax assets	124.5	280.6
Non-current deferred income tax assets	412.3	438.4
Non-current deferred income tax liabilities	$ (287.8)	$ (157.8)