Segment Information (Schedule Of Financial Information Attributable To Geographic Regions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 6,250.7	$ 5,217.9	$ 3,810.3
Net Property, Plant and Equipment	1,041.2	807.0
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	3,840.4	3,332.5	2,364.7
Net Property, Plant and Equipment	441.1	307.8
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Property, Plant and Equipment	203.8	200.4
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Property, Plant and Equipment	113.0	53.2
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Property, Plant and Equipment	45.8	79.4
Rest of the World
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	2,410.3	1,885.4	$ 1,445.6
Net Property, Plant and Equipment	$ 237.5	$ 166.2