Revenue Recognition - Schedule of Revenue by Product (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 1,181.7	$ 1,074.5
CSCA
Disaggregation of Revenue [Line Items]
Net sales	763.7	710.0
CSCA | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	154.3	152.8
CSCA | Nutrition
Disaggregation of Revenue [Line Items]
Net sales	139.9	127.2
CSCA | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	124.2	118.6
CSCA | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	103.5	102.9
CSCA | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	84.4	70.4
CSCA | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	73.4	67.6
CSCA | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	52.3	40.9
CSCA | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	11.9	8.2
CSCA | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	4.0	7.7
CSCA | Other CSCA
Disaggregation of Revenue [Line Items]
Net sales	15.8	13.7
CSCI
Disaggregation of Revenue [Line Items]
Net sales	418.1	364.5
CSCI | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	84.8	66.5
CSCI | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	8.8	9.2
CSCI | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	49.9	54.0
CSCI | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	29.1	28.9
CSCI | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	66.4	58.9
CSCI | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	83.4	73.9
CSCI | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	29.1	13.7
CSCI | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	47.8	49.5
CSCI | Other CSCI
Disaggregation of Revenue [Line Items]
Net sales	$ 18.8	$ 9.9