Acquisitions - Additional Information (Details) - USD ($) $ in Millions				3 Months Ended		12 Months Ended
		Dec. 01, 2020	May 01, 2019	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Net Sales	[1]			$ 1,238.9	$ 1,165.2
Zicam Acquisition
Business Acquisition [Line Items]
Closing payment of net of cash acquired		$ 512.7
Additional cash payment		$ 20.0	$ 20.0
Business acquisition, period		5 years	5 years
Net Sales						$ 107.0
Zicam Acquisition | Maximum
Business Acquisition [Line Items]
Average life of the intangible assets, years		20 years
Zicam Acquisition | Minimum
Business Acquisition [Line Items]
Average life of the intangible assets, years		10 years
Flawless Acquisition
Business Acquisition [Line Items]
Closing payment of net of cash acquired			$ 475.0
Purchase price paid at closing			$ 475.0
Commercial paper borrowings and loan term			3 years
Net sales target period			12 months
Net sales target ending date			Dec. 31, 2021
Flawless Acquisition | Maximum
Business Acquisition [Line Items]
Average life of the intangible assets, years			20 years
Flawless Acquisition | Minimum
Business Acquisition [Line Items]
Average life of the intangible assets, years			15 years

[1] Intersegment sales from Consumer International to Consumer Domestic, which are not reflected in the table, were $2.6 and $3.0 for the three months ended March 31, 2021 and March 31, 2020, respectively.