Income Taxes (Schedule Of Provision For Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income before taxes, united states	$ 26.9	$ 117.7	$ 144.0
Income before taxes, foreign	330.1	451.4	430.6
Income before taxes	357.0	569.1	574.6
U.S. Federal:
Current	57.1	98.4	27.1
Deferred	(92.5)	(97.7)	(22.9)
US federal, income tax provision	(35.4)	0.7	4.2
U.S. State:
Current	12.8	12.6	5.6
Deferred	(6.6)	(5.0)	(2.5)
US state, income tax provision	6.2	7.6	3.1
Foreign:
Current	80.4	48.4	76.0
Deferred	(5.5)	62.7	(1.5)
Foreign, income tax provision	74.9	111.1	74.5
Income tax provision	$ 45.7	$ 119.4	$ 81.8
Effective tax rate	12.80%	21.00%	14.20%