Revenue Recognition - Schedule of Revenue by Product (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	[1]	$ 4,138.7	$ 4,088.2	$ 3,869.9
CSCA
Disaggregation of Revenue [Line Items]
Net sales	[2]	2,693.1	2,693.0	2,487.7
CSCA | Upper respiratory
Disaggregation of Revenue [Line Items]
Net sales	[2]	483.1	505.8	529.3
CSCA | Digestive health
Disaggregation of Revenue [Line Items]
Net sales	[2]	475.1	471.3	429.2
CSCA | Pain and sleep-aids
Disaggregation of Revenue [Line Items]
Net sales	[2]	405.4	434.5	390.9
CSCA | Nutrition
Disaggregation of Revenue [Line Items]
Net sales	[2]	401.9	388.3	395.3
CSCA | Oral care
Disaggregation of Revenue [Line Items]
Net sales	[2]	311.9	288.2	111.7
CSCA | Healthy lifestyle
Disaggregation of Revenue [Line Items]
Net sales	[2]	297.7	352.4	356.1
CSCA | Skincare and personal hygiene
Disaggregation of Revenue [Line Items]
Net sales	[2]	219.2	200.6	191.3
CSCA | Vitamins, minerals, and supplements
Disaggregation of Revenue [Line Items]
Net sales	[2]	31.7	27.0	28.6
CSCA | Animal health
Disaggregation of Revenue [Line Items]
Net sales	[2]	0.0	0.0	43.7
CSCA | Other CSCA
Disaggregation of Revenue [Line Items]
Net sales	[3]	67.1	24.9	11.6
CSCI
Disaggregation of Revenue [Line Items]
Net sales		1,445.6	1,395.2	1,382.2
CSCI | Upper respiratory
Disaggregation of Revenue [Line Items]
Net sales		226.2	255.1	276.8
CSCI | Digestive health
Disaggregation of Revenue [Line Items]
Net sales		38.4	26.5	27.1
CSCI | Pain and sleep-aids
Disaggregation of Revenue [Line Items]
Net sales		201.8	190.4	167.9
CSCI | Oral care
Disaggregation of Revenue [Line Items]
Net sales		95.8	97.8	51.2
CSCI | Healthy lifestyle
Disaggregation of Revenue [Line Items]
Net sales		179.3	165.4	173.8
CSCI | Skincare and personal hygiene
Disaggregation of Revenue [Line Items]
Net sales		394.3	351.8	371.6
CSCI | Vitamins, minerals, and supplements
Disaggregation of Revenue [Line Items]
Net sales		217.4	201.0	180.2
CSCI | Other CSCI
Disaggregation of Revenue [Line Items]
Net sales	[4]	$ 92.4	$ 107.2	$ 133.6

[1] The net sales by geography is derived from the location of the entity that sells to a third party.

[2] Includes net sales from our OTC contract manufacturing business.

[3] Consists primarily of product sales and royalty income related to supply and distribution agreements, diagnostic products and other miscellaneous or otherwise uncategorized product lines and markets, none of which is greater than 10% of the segment net sales.

[4] Consists primarily of liquid licensed products, our distribution business and other miscellaneous or otherwise uncategorized product lines and markets, none of which is greater than 10% of the segment net sales.