Accounting Policies (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	$ 6,365.1	$ 6,422.6	$ 6,408.2	$ 2,615.4
Accumulated Foreign Currency Adjustment Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(286.2)	(356.1)
Accumulated Gain (Loss), Net, Cash Flow Hedge
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	28.8	17.3
Accumulated other comprehensive income (loss), tax	8.8	5.1
Accumulated Defined Benefit Plans Adjustment Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	(25.0)	(13.3)
Accumulated other comprehensive income (loss), tax	(7.8)	(4.1)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity, including portion attributable to noncontrolling interest	$ (282.4)	$ (352.1)	$ (195.1)	$ (163.3)