Retirement Plans (Schedule Of Reconciliation Of Funded Status Of The Defined Benefit Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Change in Fair Value of Plan Assets:
Fair Value of Plan Assets at Beginning of Period	$ 478.9
Fair Value of Plan Assets at End of Period	346.2	$ 478.9
United States
Change in Fair Value of Plan Assets:
Employer Contributions	16.2	9.8	$ 7.6
International Plan
Change in Fair Value of Plan Assets:
Employer Contributions	7.8	5.7	5.5
Pension Plan
Change in Projected Benefit Obligation:
Obligation at Beginning of Period	587.2	298.4
Service Cost	1.4	1.2	2.0
Interest Cost	14.0	7.5	8.0
Actuarial Gain	(123.9)	(1.2)
Less: Benefits Paid	32.5	19.7
Settlements	(0.2)	(1.9)
Foreign Currency Translation	(5.7)	(3.0)
Acquisitions	0.0	305.9
Obligation at End of Period	440.3	587.2	298.4
Change in Fair Value of Plan Assets:
Fair Value of Plan Assets at Beginning of Period	478.9	230.2
Actual Return on Plan Assets	(104.5)	33.7
Employer Contributions	8.3	5.7
Less: Benefits Paid	32.5	19.7
Settlements	(0.2)	(1.9)
Foreign Currency Translation	(3.8)	(1.3)
Acquisitions	0.0	232.2
Fair Value of Plan Assets at End of Period	346.2	478.9	$ 230.2
Funded Status	(94.1)	(108.3)
Pension Plan | United States
Change in Fair Value of Plan Assets:
Funded Status	(64.6)	(61.6)
Pension Plan | International Plan
Change in Fair Value of Plan Assets:
Funded Status	$ (29.5)	$ (46.7)