Income Taxes (Schedule Of Provision For Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Income Tax Disclosure [Abstract]
Current	$ (3.8)	$ (19.7)	$ 98.6
Deferred	252.3	(25.8)	(6.1)
US Federal, Income tax provision	248.5	(45.5)	92.5
Current	5.1	5.0	4.5
Deferred	(0.7)	(3.6)	(1.0)
US State, Income tax provision	4.4	1.4	3.5
Current	49.2	57.0	42.7
Deferred	(471.8)	(18.2)	(9.0)
Foreign, Income tax provision	(422.6)	38.8	33.7
Income tax provision (benefit)	$ (169.7)	$ (5.3)	$ 129.7
Effective tax rate	(49.00%)	(2.00%)	52.00%