Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Dec. 31, 2022	Oct. 13, 2022	Dec. 31, 2021	Dec. 24, 2021	Dec. 31, 2020	Dec. 01, 2020
Business Acquisition [Line Items]
Goodwill	$ 2,426.8		$ 2,274.5		$ 2,229.6
TheraBreath Acquisition
Business Acquisition [Line Items]
Accounts receivable				$ 11.3
Inventory				12.9
Trade name				487.0
Other intangible assets				30.1
Goodwill				43.7
Accounts payable and accrued expenses				(15.0)
Business acquisition liabilities - long-term				(14.0)
Cash purchase price (net of cash acquired)				$ 556.0
Zicam Acquisition
Business Acquisition [Line Items]
Inventory and other working capital						$ 40.2
Property, plant and equipment						0.5
Trade name						367.8
Other intangible assets						93.8
Goodwill						152.2
Current liabilities						(13.1)
Deferred income taxes						(108.0)
Long-term liabilities						(20.7)
Cash purchase price (net of cash acquired)					$ 512.7	$ 512.7
Hero acquisition
Business Acquisition [Line Items]
Other current assets		$ 1.2
Property, plant and equipment		0.4
Accounts receivable		19.5
Inventory		25.4
Trade name		400.0
Other intangible assets		71.9
Goodwill		156.1
Deferred and Other Long-term Liabilities		(1.4)
Deferred income taxes		(117.2)
Business acquisition liabilities - long-term		(8.0)
Accounts payable and accrued expenses		(1.1)
Cash purchase price (net of cash acquired)		$ 546.8