Goodwill and Other Intangibles, Net - Summary of Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Goodwill [Line Items]
Beginning balance		$ 2,426.8
Hero Acquisition adjustments	$ 1.3
Ending balance	2,431.5	2,431.5
Zicam Acquisition
Goodwill [Line Items]
Beginning balance		2,426.8
Hero Acquisition [Member]
Goodwill [Line Items]
Hero Acquisition adjustments		4.7
Consumer Domestic | Zicam Acquisition
Goodwill [Line Items]
Beginning balance		2,056.4
Ending balance	2,061.1	2,061.1
Consumer Domestic | Hero Acquisition [Member]
Goodwill [Line Items]
Hero Acquisition adjustments		4.7
Consumer International | Zicam Acquisition
Goodwill [Line Items]
Beginning balance		234.4
Ending balance	234.4	234.4
Consumer International | Hero Acquisition [Member]
Goodwill [Line Items]
Hero Acquisition adjustments		0.0
Specialty Products | Zicam Acquisition
Goodwill [Line Items]
Beginning balance		136.0
Ending balance	$ 136.0	136.0
Specialty Products | Hero Acquisition [Member]
Goodwill [Line Items]
Hero Acquisition adjustments		$ 0.0