Revenue Recognition - Schedule of Revenue by Product (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 1,121.7	$ 981.1	$ 2,196.2	$ 1,991.1
CSCA
Disaggregation of Revenue [Line Items]
Net sales	728.0	622.3	1,438.0	1,262.8
CSCA | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	145.9	105.3	298.7	223.9
CSCA | Nutrition
Disaggregation of Revenue [Line Items]
Net sales	125.1	95.8	252.3	188.0
CSCA | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	125.1	115.0	243.7	233.4
CSCA | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	102.6	89.4	205.5	184.5
CSCA | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	76.6	75.7	147.0	150.7
CSCA | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	67.3	64.7	134.9	140.9
CSCA | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	48.6	47.1	89.5	92.7
CSCA | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	12.0	8.1	20.2	18.3
CSCA | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	8.2	8.4	15.9	16.2
CSCA | Other CSCA
Disaggregation of Revenue [Line Items]
Net sales	16.6	12.8	30.3	14.2
CSCI
Disaggregation of Revenue [Line Items]
Net sales	393.7	358.8	758.2	728.3
CSCI | Upper Respiratory
Disaggregation of Revenue [Line Items]
Net sales	59.8	42.4	121.4	85.1
CSCI | Digestive Health
Disaggregation of Revenue [Line Items]
Net sales	4.8	4.9	9.2	9.8
CSCI | Pain and Sleep-Aids
Disaggregation of Revenue [Line Items]
Net sales	48.8	48.6	101.8	97.7
CSCI | Oral Care
Disaggregation of Revenue [Line Items]
Net sales	20.6	22.5	44.9	47.5
CSCI | Healthy Lifestyle
Disaggregation of Revenue [Line Items]
Net sales	38.5	46.7	80.4	97.4
CSCI | Skin Care
Disaggregation of Revenue [Line Items]
Net sales	120.3	98.7	209.7	190.1
CSCI | Women's Health
Disaggregation of Revenue [Line Items]
Net sales	24.4	14.4	37.4	28.7
CSCI | Vitamins, Minerals, and Supplements ("VMS")
Disaggregation of Revenue [Line Items]
Net sales	47.5	53.9	100.2	116.6
CSCI | Other CSCI
Disaggregation of Revenue [Line Items]
Net sales	$ 29.0	$ 26.7	$ 53.2	$ 55.4