Income Taxes (Schedule Of Provision For Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Income Tax Disclosure [Abstract]
Income before taxes, United States	$ 144.0	$ 24.7	$ 43.0
Income before taxes, Foreign	430.6	370.3	301.8
Income before taxes	574.6	395.0	344.8
U.S. Federal:
Current	27.1	(5.8)	(3.8)
Deferred	(22.9)	(16.3)	252.3
US federal, income tax provision	4.2	(22.1)	248.5
U.S. State:
Current	5.6	0.8	5.1
Deferred	(2.5)	7.1	(0.7)
US state, income tax provision	3.1	7.9	4.4
Foreign:
Current	76.0	62.2	49.2
Deferred	(1.5)	(43.6)	(471.8)
Foreign, income tax provision	74.5	18.6	(422.6)
Income tax provision (benefit)	$ 81.8	$ 4.4	$ (169.7)
Effective tax rate	14.20%	1.10%	(49.20%)