Restructuring Activities And Related Impairments - Schedule Of Restructuring And Related Costs (Details) $ in Millions	9 Months Ended
	Oct. 01, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 23.0
Costs incurred	16.3
Paid/settled	(24.0)
Balance at end of year	15.3
Employee Severance and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	17.8
Costs incurred	12.9
Paid/settled	(17.0)
Balance at end of year	13.7
Facility Exit and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	5.2
Costs incurred	3.4
Paid/settled	(7.0)
Balance at end of year	$ 1.6