Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Dec. 30, 2022	Dec. 31, 2021
Deferred tax liabilities:
Global intangible low-taxed income	$ 137.8	$ 207.6
Purchased intangibles	121.1	115.8
Operating lease right-of-use assets	29.0	33.5
Other	16.1	12.7
Total deferred tax liabilities	304.0	369.6
Deferred tax assets:
Depreciation and amortization	400.0	474.9
Capitalized research and development	67.5	6.9
Operating lease liabilities	32.8	36.4
U.S. tax credit carryforwards	25.6	25.8
Expenses not currently deductible	30.9	43.7
Foreign net operating loss carryforwards	15.3	18.0
Stock-based compensation	13.8	13.9
U.S. net operating loss carryforwards	4.7	5.8
Other	36.6	28.8
Total deferred tax assets	627.2	654.2
Valuation allowance	(42.6)	(45.7)
Total deferred tax assets	584.6	608.5
Total net deferred tax assets	280.6	238.9
Non-current deferred income tax assets	438.4	502.0
Non-current deferred income tax liabilities	$ (157.8)	$ (263.1)