Restructuring Activities And Related Impairments - Schedule Of Restructuring And Related Costs (Details) $ in Millions	3 Months Ended
	Apr. 02, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 35.9
Costs incurred	5.9
Paid/settled	(17.5)
Balance at end of year	24.3
Employee Severance and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	30.5
Costs incurred	4.3
Paid/settled	(11.8)
Balance at end of year	23.0
Facility Exit and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	5.4
Costs incurred	1.6
Paid/settled	(5.7)
Balance at end of year	$ 1.3