Revenue Recognition - Schedule of Revenue by Product (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 4,655.6	$ 4,451.6	$ 4,138.7
CSCA
Disaggregation of Revenue [Line Items]
Revenue	2,962.3	2,925.9	2,693.1
CSCA | Nutrition
Disaggregation of Revenue [Line Items]
Revenue	563.2	520.4	401.9
CSCA | Upper Respiratory
Disaggregation of Revenue [Line Items]
Revenue	559.2	564.6	483.1
CSCA | Digestive Health
Disaggregation of Revenue [Line Items]
Revenue	505.3	495.5	475.1
CSCA | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Revenue	396.4	412.2	405.4
CSCA | Oral Care
Disaggregation of Revenue [Line Items]
Revenue	313.9	312.9	311.9
CSCA | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Revenue	311.7	288.9	295.0
CSCA | Skin Care
Disaggregation of Revenue [Line Items]
Revenue	196.2	187.8	183.7
CSCA | Women's Health
Disaggregation of Revenue [Line Items]
Revenue	46.9	45.2	38.2
CSCA | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Revenue	17.5	27.9	31.7
CSCA | Other CSCA
Disaggregation of Revenue [Line Items]
Revenue	52.0	70.5	67.1
CSCI
Disaggregation of Revenue [Line Items]
Revenue	1,693.3	1,525.7	1,445.6
CSCI | Upper Respiratory
Disaggregation of Revenue [Line Items]
Revenue	299.1	268.7	219.4
CSCI | Digestive Health
Disaggregation of Revenue [Line Items]
Revenue	41.0	35.5	25.6
CSCI | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Revenue	222.9	200.2	184.8
CSCI | Oral Care
Disaggregation of Revenue [Line Items]
Revenue	101.5	94.8	94.0
CSCI | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Revenue	225.7	209.7	227.6
CSCI | Skin Care
Disaggregation of Revenue [Line Items]
Revenue	372.5	334.6	324.0
CSCI | Women's Health
Disaggregation of Revenue [Line Items]
Revenue	119.7	96.1	54.5
CSCI | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Revenue	185.5	183.9	225.8
CSCI | Other CSCI
Disaggregation of Revenue [Line Items]
Revenue	$ 125.4	$ 102.2	$ 89.9