Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill [Line Items]
Beginning balance	$ 2,426.8
Ending balance	2,430.3
Zicam Acquisition
Goodwill [Line Items]
Beginning balance	2,426.8
Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	3.5
Consumer Domestic | Zicam Acquisition
Goodwill [Line Items]
Beginning balance	2,056.4
Ending balance	2,059.9
Consumer Domestic | Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	3.5
Consumer International | Zicam Acquisition
Goodwill [Line Items]
Beginning balance	234.4
Ending balance	234.4
Consumer International | Thera Breath Acquisition
Goodwill [Line Items]
TheraBreath adjustment	0.0
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