RESTRUCTURING CHARGES - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Restructuring Reserve [Roll Forward]
Beginning balance	$ 32.8	$ 12.2
Additional charges	29.4	44.3
Payments	(16.6)	(10.7)
Non-cash adjustments		(4.8)
Ending balance	45.6	41.0
Supply Chain Reinvention
Restructuring Reserve [Roll Forward]
Beginning balance	2.3	0.7
Additional charges	4.7	2.6
Payments	(6.2)	(2.4)
Non-cash adjustments		0.0
Ending balance	0.8	0.9
HRA Pharma Integration
Restructuring Reserve [Roll Forward]
Beginning balance	1.6	6.8
Additional charges	0.0	0.1
Payments	0.0	(0.3)
Non-cash adjustments		0.0
Ending balance	1.6	6.6
Project Energize
Restructuring Reserve [Roll Forward]
Beginning balance	27.9	2.9
Additional charges	8.2	41.4
Payments	(9.4)	(6.9)
Non-cash adjustments		(4.8)
Ending balance	26.7	32.6
Nutrition Network Optimization
Restructuring Reserve [Roll Forward]
Beginning balance	0.0
Additional charges	16.5
Payments	0.0
Ending balance	16.5
Other Initiatives
Restructuring Reserve [Roll Forward]
Beginning balance	1.0	1.8
Additional charges	0.0	0.2
Payments	(1.0)	(1.1)
Non-cash adjustments		0.0
Ending balance	$ 0.0	$ 0.9