PENSION AND OTHER POSTRETIREMENT BENEFITS - Pre-tax Amount Recognized in Other Comprehensive Loss (Income) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
U.S.
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	$ 0.9	$ (5.6)	$ (0.7)
Prior service credit	0.0	0.0	0.0
Net actuarial gain	(0.4)	(0.8)	(0.8)
Prior service credit (cost)	0.0	0.0	0.0
Settlements	0.0	(0.1)	(1.1)
Net amount recognized in other comprehensive loss (income)	0.5	(6.5)	(2.6)
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (gain) loss	32.6	(0.8)	(34.8)
Prior service credit	(0.1)	0.0	(0.9)
Net actuarial gain	2.1	(2.5)	(6.1)
Prior service credit (cost)	0.4	0.4	0.4
Settlements	0.1	0.1	(0.5)
Net amount recognized in other comprehensive loss (income)	$ 35.1	$ (2.8)	$ (41.9)