REVENUE RECOGNITION - Schedule of Revenue by Product (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 1,043.9	$ 1,082.1
CSCA
Disaggregation of Revenue [Line Items]
Net sales	620.7	644.1
CSCA | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	137.9	130.3
CSCA | Nutrition
Disaggregation of Revenue [Line Items]
Net sales	104.8	90.6
CSCA | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	103.0	122.2
CSCA | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	76.6	82.6
CSCA | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	70.4	71.3
CSCA | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	62.0	64.7
CSCA | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	48.6	49.6
CSCA | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	15.0	27.2
CSCA | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	1.6	4.2
CSCA | Other
Disaggregation of Revenue [Line Items]
Net sales	0.8	1.4
CSCI
Disaggregation of Revenue [Line Items]
Net sales	423.1	437.9
CSCI | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	73.5	69.1
CSCI | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	9.6	9.5
CSCI | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	53.6	51.4
CSCI | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	66.6	64.6
CSCI | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	22.5	28.7
CSCI | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	111.5	114.7
CSCI | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	32.4	32.0
CSCI | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	37.7	44.6
CSCI | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 15.9	$ 23.3