Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2025	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Investment deferred tax assets	$ 14.4
Foreign earnings repatriated	232.7
Unrecognized tax benefits	78.2	$ 88.3	$ 76.5	$ 64.2
Unrecognized tax benefits that would impact effective tax rate	45.8	59.5
Payment of interest and penalties	8.8	$ 9.9
Foreign Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
NOL subject to expiration	18.9
NOL not subject to expiration	106.3
California Franchise Tax Board | Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 35.2