Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 01, 2020
Business Acquisition [Line Items]
Goodwill	$ 2,270.7	$ 2,274.5
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		$ 2,274.5		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
THERABREATH
Business Acquisition [Line Items]
Accounts receivable	11.3
Inventory	12.9
Trade name	487.0
Other intangible assets	30.1
Goodwill	39.9
Accounts payable and accrued expenses	(11.2)
Long-term liabilities	(14.0)
Cash purchase price (net of cash acquired)	$ 556.0