Restructuring Activities (Schedule Of Restructuring And Related Costs) (Details) $ in Millions	6 Months Ended
	Jul. 03, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 5.6
Costs incurred	52.9
Paid/settled	(20.7)
Balance at end of year	37.8
Employee Severance and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	5.6
Costs incurred	45.6
Paid/settled	(15.5)
Balance at end of year	35.7
Facility Exit and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	0.0
Costs incurred	7.3
Paid/settled	(5.2)
Balance at end of year	$ 2.1