Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2022 USD ($)
Goodwill [Line Items]
Beginning balance	$ 2,274.5
Ending balance	2,270.7
Zicam Acquisition
Goodwill [Line Items]
Beginning balance	2,274.5
Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	(3.8)
Consumer Domestic | Zicam Acquisition
Goodwill [Line Items]
Beginning balance	1,899.8
Ending balance	1,900.3
Consumer Domestic | Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	0.5
Consumer International | Zicam Acquisition
Goodwill [Line Items]
Beginning balance	238.7
Ending balance	234.4
Consumer International | Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	(4.3)
Specialty Products | Zicam Acquisition
Goodwill [Line Items]
Beginning balance	136.0
Ending balance	136.0
Specialty Products | Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	$ 0.0