PENSION AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
U.S.
Components of net periodic benefit cost (credit)
Service cost	$ 0.0	$ 0.0
Interest cost	2.4	1.2
Actuarial (gain) loss	1.4	(9.1)
U.S. | Continuing operations
Components of net periodic benefit cost (credit)
Service cost	0.0	0.0	$ 0.0
Interest cost	2.4	1.2	1.0
Actuarial (gain) loss	0.5	(3.5)	(1.1)
Expected return on plan assets	0.0	0.0	0.0
Amortization of actuarial loss	0.4	0.8	0.8
Amortization of prior service (credit) cost	0.0	0.0	0.0
Recognized loss (gain) on settlements	0.0	0.1	1.1
Net periodic benefit cost (credit)	3.3	(1.4)	1.8
Non-U.S.
Components of net periodic benefit cost (credit)
Service cost	10.5	16.5
Interest cost	24.7	10.8
Actuarial (gain) loss	51.3	(244.9)
Non-U.S. | Continuing operations
Components of net periodic benefit cost (credit)
Service cost	10.5	16.5	19.0
Interest cost	24.7	10.8	8.9
Actuarial (gain) loss	0.0	0.0	0.0
Expected return on plan assets	(33.2)	(21.9)	(19.8)
Amortization of actuarial loss	(2.1)	2.5	6.1
Amortization of prior service (credit) cost	(0.4)	(0.4)	(0.4)
Recognized loss (gain) on settlements	(0.1)	(0.1)	0.5
Net periodic benefit cost (credit)	$ (0.6)	$ 7.4	$ 14.3