Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Business Acquisition [Line Items]
Goodwill	$ 2,431.5	$ 2,426.8
Cash purchase price (net of cash acquired)	546.8
Zicam Acquisition
Business Acquisition [Line Items]
Goodwill		$ 2,426.8
THERABREATH
Business Acquisition [Line Items]
Accounts receivable	19.5		$ 11.3
Inventory	25.4		12.9
Other current assets	1.2
Property, plant and equipment	0.4
Trade name	400.0		487.0
Other intangible assets	71.9		30.1
Goodwill	156.1		43.7
Accounts payable and accrued expenses	(1.1)		(15.0)
Deferred and Other Long-term Liabilities	(1.4)
Deferred income taxes	(117.2)
Business acquisition liabilities - long-term	(8.0)		(14.0)
Cash purchase price (net of cash acquired)	$ 546.8		$ 556.0