v3.26.1
RESTRUCTURING CHARGES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Mar. 28, 2026
Dec. 31, 2025
Mar. 29, 2025
Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]                
Restructuring charges $ 14.4 $ 8.7 $ 89.5 $ 38.1        
Restructuring reserve 76.7 41.0 76.7 41.0 $ 98.7 $ 45.2 $ 45.6 $ 32.8
Nutrition Network Optimization                
Restructuring Cost and Reserve [Line Items]                
Restructuring charges 14.8 1.2 17.0 17.7        
Restructuring reserve 29.8 17.7 29.8 17.7 $ 20.5 $ 18.3 $ 16.5 $ 0.0
Restructuring reserve, noncurrent 14.0   14.0          
Operating Segments | Self Care                
Restructuring Cost and Reserve [Line Items]                
Restructuring charges 0.8 3.8 35.8 9.1        
Operating Segments | Specialty Care                
Restructuring Cost and Reserve [Line Items]                
Restructuring charges 3.8 1.2 8.4 3.0        
Operating Segments | Infant Formula                
Restructuring Cost and Reserve [Line Items]                
Restructuring charges 14.8 1.2 22.5 17.7        
Unallocated                
Restructuring Cost and Reserve [Line Items]                
Restructuring charges $ 5.0 $ 2.5 $ 18.5 $ 8.0