Restructuring Activities And Related Impairments - Schedule Of Restructuring And Related Costs (Details) $ in Millions	6 Months Ended
	Jul. 02, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 35.9
Costs incurred	13.4
Paid/settled	(27.1)
Balance at end of year	22.2
Employee Severance and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	30.5
Costs incurred	9.5
Paid/settled	(19.5)
Balance at end of year	20.5
Facility Exit and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	5.4
Costs incurred	3.9
Paid/settled	(7.6)
Balance at end of year	$ 1.7