PENSION AND OTHER POSTRETIREMENT BENEFITS - Pre-tax Amount Recognized in Other Comprehensive Loss (Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
U.S.
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	$ (0.2)	$ 0.9	$ (5.6)
Prior service credit	0.0	0.0	0.0
Net actuarial (gain) loss	(0.5)	(0.4)	(0.8)
Prior service credit (cost)	0.0	0.0	0.0
Settlements	0.0	0.0	(0.1)
Net amount recognized in other comprehensive loss (income)	(0.7)	0.5	(6.5)
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	(3.4)	32.6	(0.8)
Prior service credit	5.1	(0.1)	0.0
Net actuarial (gain) loss	(0.4)	2.1	(2.5)
Prior service credit (cost)	0.5	0.4	0.4
Settlements	0.1	0.1	0.1
Net amount recognized in other comprehensive loss (income)	$ 1.9	$ 35.1	$ (2.8)