Reporting Segment And Geographic Information (Schedule of Physical Long-Lived Assets by Geographic Area) (Details) - USD ($) $ in Millions	Jan. 03, 2025	Dec. 29, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 311.9	$ 326.5
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	178.0	179.3
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	96.0	105.6
Asia Pacific and Rest of World
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 37.9	$ 41.6