Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Jan. 03, 2025	Dec. 29, 2023
Deferred tax liabilities:
Purchased intangibles	$ 311.3	$ 373.6
Global intangible low-taxed income	17.6	105.8
Operating lease right-of-use assets	29.7	30.2
Other	26.9	19.7
Total deferred tax liabilities	385.5	529.3
Deferred tax assets:
Depreciation and amortization	217.6	368.2
Capitalized research and development	118.2	98.4
Operating lease liabilities	34.7	36.2
U.S. tax credit carryforwards	23.1	23.5
Expenses not currently deductible	26.3	26.5
Net operating loss carryforwards	24.3	17.9
Stock-based compensation	17.2	16.7
Intercompany prepayments	0.0	36.6
Other	74.6	60.8
Total deferred tax assets	536.0	684.8
Valuation allowance	(56.0)	(31.0)
Total deferred tax assets	480.0	653.8
Total net deferred tax assets	94.5	124.5
Non-current deferred income tax assets	294.4	412.3
Non-current deferred income tax liabilities	$ (199.9)	$ (287.8)