RESTRUCTURING ACTIONS Restructuring Accrual Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1			$ 19.1	$ 7.5
Restructuring costs			9.9	43.3
Reversal of prior accruals			(1.7)	(0.8)
Cash payments			(11.3)	(24.5)
Asset write-offs	$ 0.0	$ 0.0	0.6	0.0
Foreign exchange translation and other			(0.7)	0.7
Ending balance	14.7	$ 26.2	14.7	$ 26.2
Severance and other employee-related
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1			25.8
Ending balance	14.5		14.5
Other
Restructuring Cost and Reserve [Line Items]
Beginning balance - January 1			0.4
Ending balance	$ 0.2		$ 0.2